topics for biology extended essay

Biology Extended Essay Topics and RQs for IBDP

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• Writing Metier

It’s time for our exploration of Biology extended essay topics, a resource designed to spark your curiosity and guide your research interests in the vast and vibrant field of biology. 

Whether you’re fascinated by the intricate workings of ecosystems or intrigued by the complexities of cellular processes, this article offers a diverse range of topics collected by expert academic writers to suit your interests. 

NB! If you need assistance with your Biology assignments, you can use our biology essay writing service , which will surely assist you. Now, let’s get back to the main question of the article – BIO EE topic ideas.

Bio EE topic categories

List of biology extended essay topic categories I’ll cover in this article.

• Impact of Urban Development on Local Ecosystems – Investigating the effects of urban expansion on biodiversity in a specific area.
• Marine Biology and Ocean Acidification – Studying the impact of changing pH levels on marine life.
• Invasive Species and Their Impact on Biodiversity – Analyzing how a particular invasive species has affected native wildlife.
• Conservation Efforts for Endangered Species – Evaluating the effectiveness of current conservation strategies for a specific endangered species.
• Climate Change and Its Effects on Ecosystems – Researching how a particular ecosystem has been impacted by climate change.
• Nutrition and Diet’s Impact on Human Health – Exploring the effects of a specific diet on human health.
• Exercise Physiology – Investigating how different types of exercise affect a particular aspect of human health.
• Neurobiology of Sleep – Studying the effects of sleep patterns on cognitive functions.
• Genetic Factors in Diseases – Exploring the role of genetics in the susceptibility to a specific disease.
• Impact of Environmental Factors on Allergies – Analyzing how environmental changes have influenced the prevalence of allergies.
• Gene Expression in Cancer Cells – Investigating how gene expression differs in cancerous versus normal cells.
• Protein Synthesis and Its Regulation – Studying the regulation of protein synthesis in a specific organism or cell type.
• Stem Cell Research and Regenerative Medicine – Exploring the potential of stem cells in treating a specific condition.
• Viral Replication and Host Interaction – Examining how a particular virus replicates and interacts with its host.
• DNA Repair Mechanisms – Investigating the efficacy of different DNA repair mechanisms under various conditions.
• Photosynthesis Variations Among Plant Species – Comparing photosynthetic efficiency in different plant species.
• Impact of Climate Change on Plant Growth – Studying how changing climates affect the growth of a specific plant species.
• Medicinal Properties of Plants – Investigating the medicinal properties of a specific plant.
• Plant Defense Mechanisms Against Pathogens – Exploring how a particular plant species defends itself against pathogens.
• Genetic Modification and Crop Improvement – Analyzing the impacts of genetic modification on a specific crop’s traits.
• Social Behavior in Insects – Studying the social structures and behaviors of a specific insect species.
• Bird Migration Patterns – Investigating the factors influencing migration patterns of a specific bird species.
• Physiological Adaptations in Marine Mammals – Exploring adaptations that enable marine mammals to survive in their environments.
• Impact of Environmental Stressors on Animal Behavior – Analyzing how specific stressors affect the behavior of a particular animal species.
• Endocrine Regulation in Animals – Studying how the endocrine system regulates processes in a specific animal.
• Antibiotic Resistance in Bacteria – Investigating the mechanisms of antibiotic resistance in a specific bacterial strain.
• Use of Microorganisms in Bioremediation – Exploring the use of microorganisms in cleaning up environmental pollutants.
• Genetic Engineering and Its Applications – Analyzing the applications and implications of genetic engineering in a specific field.
• Role of Microbiome in Human Health – Studying how the human microbiome influences health and disease.
• Yeast Fermentation and Its Industrial Applications – Investigating the fermentation process in yeast and its uses in industry.
• Evolutionary Adaptations to Environmental Changes – Exploring how a particular species has adapted to environmental changes over time.
• Genetic Diversity and Population Health – Studying the impact of genetic diversity on the health of a specific population.
• Molecular Basis of Inheritance – Investigating the molecular mechanisms of inheritance in a specific organism.
• Speciation and Genetic Drift – Analyzing the role of genetic drift in the speciation process.
• Human Evolutionary Biology – Studying aspects of human evolution, such as the development of specific traits.

Every category and its subcategories provide a comprehensive overview, from the microscopic wonders of microbiology to the grand scale of evolutionary biology. 

With the help of our IB writers team, I have managed to collect all these ideas for you, so I hope you will be enjoying this. I aim to inspire your investigative spirit and help you select a topic that  satisfies the IB criteria  and aligns with your passion for biology. 

IB Bio extended essay topics

So, let’s begin with a list of IB Biology EE topics list.

Ecology and Environmental Science

I’m stoked to talk about Ecology and Environmental Science . It’s all about how living things interact with each other and their surroundings. Think of it like a complex dance of life, where every move affects the whole scene. 

From the hustle and bustle of city ecosystems to the quiet, yet dynamic, world of marine biology, we’ll explore how these interactions shape our planet. We’ll also explore the hot topics of invasive species and their impacts, the heroic efforts in conservation, and the big elephant in the room – climate change. 

So, let’s get ready to explore the intricate tapestry of life that makes our world fascinating!

Impact of Urban Development on Local Ecosystems

• Research Question: How does the presence of urban green spaces affect bird species diversity in [City Name]?
• Research Question: What impact do urban heat islands have on the behavior and distribution of [Specific Animal Species] in [City Name]?

Marine Biology and Ocean Acidification

• Research Question: How does ocean acidification affect coral bleaching events in the [Specific Coral Reef Location]?
• Research Question: What is the impact of increasing ocean acidification on the shell growth and survival of [Specific Shellfish Species]?

Invasive Species and Their Impact on Biodiversity

• Research Question: What has been the impact of the invasive Zebra Mussel on native species in the Great Lakes?
• Research Question: How do invasive plant species [Specify Species] affect the growth and survival of native plants in [Specific Region]?

Conservation Efforts for Endangered Species

• Research Question: How effective have conservation strategies been in increasing the population of the Giant Panda in China?
• Research Question: What are the impacts of anti-poaching measures on the survival of Rhinoceros populations in Africa?

Climate Change and Its Effects on Ecosystems

• Research Question: How is the melting of Arctic sea ice affecting the habitat and migration patterns of polar bears?
• Research Question: What are the effects of rising global temperatures on plant and animal life in the Alpine ecosystems?

Transitioning from the external world of Ecology and Environmental Science, we now turn to the internal intricacies of Human Physiology and Health. 

This shift brings us from exploring external ecosystems to understanding our body’s inner workings, a world where lifestyle choices meet biological responses.

Human Physiology and Health

Let’s chat about Human Physiology and Health, the amazing science of how our bodies work and how we keep them ticking. We’re diving headfirst into the world of nutrition and diet – what you eat isn’t just about taste, it’s about your health too! 

Then, we’ll check out how exercise, that thing we all know we should do more of, affects our bodies in awesome ways. Ever wondered about the science of sleep and how it messes with your brain when you don’t catch enough Z’s? We’ll cover that, along with the mysteries of genetics in diseases, and how our environment plays a sneaky role in triggering allergies. 

It’s going to be an eye-opening ride through the wonders of our bodies!

Nutrition and Diet’s Impact on Human Health

• Research Question: How does adherence to the Mediterranean diet affect cardiovascular health indicators in adults?
• Research Question: What is the impact of a long-term vegan diet on nutrient absorption and health in teenagers?

Exercise Physiology

• Research Question: How does HIIT affect cardiovascular fitness in young adults?
• Research Question: What are the effects of regular yoga practice on stress and anxiety levels in college students?

Neurobiology of Sleep

• Research Question: How does sleep deprivation impact cognitive performance and memory in high school students?
• Research Question: What is the relationship between sleep patterns and academic performance in IB students?

Genetic Factors in Diseases

• Research Question: How do specific genetic factors contribute to the risk of developing Alzheimer’s disease?
• Research Question: What is the contribution of genetics to the onset of Type 2 Diabetes in populations with high prevalence rates?

Impact of Environmental Factors on Allergies

• Research Question: What is the correlation between air pollution levels and the prevalence of respiratory allergies in urban children?
• Research Question: How has climate change influenced the prevalence and severity of allergic diseases in [Specific Region]?

Moving from Human Physiology and Health, we zoom into the realm of Cellular and Molecular Biology. 

Here, we swap the broader human health perspective for a closer look at life’s building blocks, delving into the microscopic universe that operates within every living being.

Cellular and Molecular Biology

Ready to geek out on Cellular and Molecular Biology? This is where we get down to the nitty-gritty of life – the cells and molecules that make up every living thing. 

We’re talking about the big bad world of cancer cells and what makes them tick, the fascinating process of how our cells make proteins, and the cutting-edge stuff like stem cell research and how viruses play a game of cat and mouse with our bodies. 

Meanwhile, make sure also to check our article with biology research paper topics for all students.

Plus, we’ll unravel the mysteries of how our cells fix their own DNA. It’s like being a detective, but for biology. Trust me, it’s cooler than it sounds!

Gene Expression in Cancer Cells

• Research Question: How does gene expression in breast cancer cells differ from that in normal breast tissue?
• Research Question: What role do specific oncogenes play in the development of colorectal cancer?

Protein Synthesis and Its Regulation

• Research Question: How is protein synthesis regulated in response to physical exercise in human muscle cells?
• Research Question: How do bacterial cells regulate protein synthesis under environmental stress conditions?

Stem Cell Research and Regenerative Medicine

• Research Question: What is the potential of stem cell therapy in the treatment of Parkinson’s Disease?
• Research Question: How can stem cells be used to repair damaged heart tissue?

Viral Replication and Host Interaction

• Research Question: How does HIV replicate within human cells, and what is its impact on the immune system?
• Research Question: How does the Influenza virus adapt to host immune responses over time?

DNA Repair Mechanisms

• Research Question: How do DNA repair mechanisms change as human cells age?
• Research Question: How effective are DNA repair mechanisms in skin cells exposed to different levels of UV radiation?

After diving into the microcosm of cells and molecules, we transition to Plant Biology. 

This shift steers us from the foundations of life at the cellular level to the diverse world of plants, exploring how these organisms harness and embody basic biological principles.

Plant Biology

Let’s dive into the world of Plant Biology! Plants are not just pretty to look at; they’re the backbone of all life on Earth. 

We’ll be talking about how they turn sunlight into food – a process that’s as important as it is fascinating. Ever wonder how plants are coping with our changing climate or what superpowers medicinal plants have? We’ve got that covered. 

We’ll also explore the secret life of plants, how they defend themselves against enemies, and the science behind making them stronger and better through genetic modification. 

It’s time to get our hands dirty and uncover the secrets of the plant world!

Photosynthesis Variations Among Plant Species

• Research Question: How does photosynthetic efficiency compare between C3 and C4 plants under varying light conditions?
• Research Question: What is the effect of varying light intensities on the rate of photosynthesis in [Specific Aquatic Plant Species]?

Impact of Climate Change on Plant Growth

• Research Question: How are Arctic tundra plants adapting their growth patterns in response to global warming?
• Research Question: What is the impact of elevated atmospheric CO2 levels on the growth of [Specific Plant Species]?

Medicinal Properties of Plants

• Research Question: What are the anti-inflammatory properties of [Specific Medicinal Plant] and how can they be harnessed?
• Research Question: What is the antioxidant capacity of different herbal teas, and how does it affect human health?

Plant Defense Mechanisms Against Pathogens

• Research Question: How do [Specific Plant Species] defend themselves against fungal infections?
• Research Question: What role do secondary metabolites play in the defense mechanisms of [Specific Plant Species] against herbivores?

Genetic Modification and Crop Improvement

• Research Question: How effective are genetically modified crops in resisting drought conditions compared to traditional varieties?
• Research Question: What is the impact of genetic modification on the nutrient content of [Specific Crop]?

From the stationary life of plants, we now step into the dynamic world of Animal Behavior and Physiology. This change of scene introduces us to the complex behaviors and physiological adaptations of animals, offering a contrasting perspective to plant biology.

Animal Behavior and Physiology

Let’s jump into the wild and wonderful world of Animal Behavior and Physiology. This is where we get to spy on the animal kingdom and learn about their secret lives. 

From the social gossip of insects to the globe-trotting adventures of migratory birds, animals have some amazing stories to tell. 

We’ll also look at how marine animals have adapted to their deep and mysterious homes, how animals respond when their environment goes bonkers, and the hormonal soap operas that dictate their lives. 

It’s like being a fly on the wall in the most interesting nature documentary ever!

Social Behavior in Insects

• Research Question: How does the social structure of honeybee colonies affect their survival and productivity?
• Research Question: What are the primary communication mechanisms used in ant colonies, and how do they impact colony efficiency?

Bird Migration Patterns

• Research Question: How has climate change affected the migration routes of [Specific Bird Species]?
• Research Question: How do magnetic fields influence the migration patterns of [Specific Bird Species]?

Physiological Adaptations in Marine Mammals

• Research Question: What physiological adaptations allow sperm whales to dive to extreme depths?
• Research Question: How do polar bears regulate their body temperature in the Arctic environment?

Impact of Environmental Stressors on Animal Behavior

• Research Question: How does underwater noise pollution affect the behavior and communication of dolphins?
• Research Question: What are the effects of urban light pollution on the nocturnal activities of [Specific Nocturnal Animal Species]?

Endocrine Regulation in Animals

• Research Question: How do hormones regulate the reproductive behaviors in [Specific Bird Species]?
• Research Question: How do stress-induced cortisol levels affect the behavior of [Specific Wild Animal Species] in their natural habitat?

Leaving the observable world of animals, we enter the less visible but equally important sphere of Microbiology and Biotechnology. This transition takes us from larger life forms to the microscopic, where tiny organisms significantly impact our health, environment, and technology.

Microbiology and Biotechnology

Alright, microbe hunters and tech wizards, it’s time to zoom in on Microbiology and Biotechnology. This is the world of the tiny, where bacteria and viruses hang out, and where science meets innovation . 

We’re going to explore the battleground of antibiotic resistance, how we can use tiny organisms to clean up our messes, and the mind-blowing possibilities of genetic engineering. 

Ever thought about how your gut buddies – the microbiome – affect your health? We’ll get into that too, along with the yeast party that’s behind some of your favorite bread and beverages.

Antibiotic Resistance in Bacteria

• Research Question: What factors have contributed to the rise of Methicillin-resistant Staphylococcus aureus (MRSA) in hospitals?
• Research Question: What are the primary mechanisms of antibiotic resistance in Escherichia coli strains found in [Specific Environment]?

Use of Microorganisms in Bioremediation

• Research Question: How effective are specific bacterial species in the bioremediation of oil spills?
• Research Question: What is the effectiveness of using fungi in the phytoremediation of soils contaminated with heavy metals?

Genetic Engineering and Its Applications

• Research Question: What is the potential of CRISPR-Cas9 technology in preventing genetic diseases?
• Research Question: How has genetic engineering been used to enhance the nutritional quality of [Specific Crop]?

Role of Microbiome in Human Health

• Research Question: What is the relationship between the gut microbiome and obesity in adults?
• Research Question: How does the diversity of the human microbiome affect immune system functioning?

Yeast Fermentation and Its Industrial Applications

• Research Question: How efficient is yeast fermentation in the production of biofuels compared to traditional methods?
• Research Question: How do different yeast strains affect the flavor profiles in beer brewing?

Finally, we shift from the practical applications in Microbiology and Biotechnology to the historical narrative of Evolution and Genetics. This move links present-day biological understanding to the historical journey of life, unraveling how genetic heritage and evolutionary processes shape all living things.

Evolution and Genetics

Ready to unravel the tales of Evolution and Genetics? This is where we figure out how life on Earth got to be as diverse and fantastic as it is. We’ll be exploring the incredible adaptations organisms have made to survive and thrive, how genetic diversity is crucial for the health of species, and the molecular secrets behind inheritance. 

Ever pondered how new species come into being or what genetics reveal about our own ancient history ? Well, you’re in for a treat. We’re about to walk through time and genes to discover the roots and branches of the tree of life. Buckle up!

Evolutionary Adaptations to Environmental Changes

• Research Question: What evolutionary adaptations have enabled cacti to thrive in harsh desert environments?
• Research Question: How have Galápagos finches undergone adaptive radiation in response to their environment?

Genetic Diversity and Population Health

• Research Question: How does genetic diversity affect the health and survival of animal populations on isolated islands?
• Research Question: How can conservation genetics be used to enhance the survival prospects of [Specific Endangered Species]?

Molecular Basis of Inheritance

• Research Question: What is the molecular basis of inheritance for Sickle Cell Anemia?
• Research Question: How can mitochondrial DNA be used to trace maternal lineage in human populations?

Speciation and Genetic Drift

• Research Question: What role has genetic drift played in the speciation of cichlids in Lake Victoria?
• Research Question: How does genetic drift affect the genetic diversity of small, isolated animal populations?

Human Evolutionary Biology

• Research Question: What evolutionary factors contributed to the development of bipedalism in early humans?
• Research Question: What are the key genetic adaptations that enable humans to live at high altitudes?

These topics and questions aim to inspire in-depth exploration and research, allowing students to delve into various aspects of biology, from molecular to ecosystem levels. 

Use them as an inspiration for your future Ib extended essay.

Select your topic wisely!

The world of biology is rich with diverse topics suitable for an Extended Essay. From the tiny intricacies of cellular biology to the broad complexities of environmental science, each area offers a unique perspective and a chance for in-depth exploration . 

The key to a successful essay is choosing a topic that not only interests you but also challenges your analytical and research skills.

Need Extra Support?

If you’re seeking guidance with your topic selection, or if you need assistance in writing or editing your Biology Extended Essay , our team at Writing Metier is here to help. 

Our experienced IB writers are equipped to provide the support you need to refine your ideas and enhance your writing. Contact us for personalized assistance, or simply fill out our online order form with details of your IB EE and ensure your essay is a reflection of your best efforts.

Free topic suggestions

Vasy kafidoff.

Vasyl Kafidoff is a co-founder and CEO at WritingMetier. He is interested in education and how modern technology makes it more accessible. He wants to bring awareness about new learning possibilities as an educational specialist. When Vasy is not working, he’s found behind a drum kit.

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Sat / act prep online guides and tips, the complete ib extended essay guide: examples, topics, and ideas.

International Baccalaureate (IB)

IB students around the globe fear writing the Extended Essay, but it doesn't have to be a source of stress! In this article, I'll get you excited about writing your Extended Essay and provide you with the resources you need to get an A on it.

If you're reading this article, I'm going to assume you're an IB student getting ready to write your Extended Essay. If you're looking at this as a potential future IB student, I recommend reading our introductory IB articles first, including our guide to what the IB program is and our full coverage of the IB curriculum .

IB Extended Essay: Why Should You Trust My Advice?

I myself am a recipient of an IB Diploma, and I happened to receive an A on my IB Extended Essay. Don't believe me? The proof is in the IBO pudding:

If you're confused by what this report means, EE is short for Extended Essay , and English A1 is the subject that my Extended Essay topic coordinated with. In layman's terms, my IB Diploma was graded in May 2010, I wrote my Extended Essay in the English A1 category, and I received an A grade on it.

What Is the Extended Essay in the IB Diploma Programme?

The IB Extended Essay, or EE , is a mini-thesis you write under the supervision of an IB advisor (an IB teacher at your school), which counts toward your IB Diploma (learn more about the major IB Diploma requirements in our guide) . I will explain exactly how the EE affects your Diploma later in this article.

For the Extended Essay, you will choose a research question as a topic, conduct the research independently, then write an essay on your findings . The essay itself is a long one—although there's a cap of 4,000 words, most successful essays get very close to this limit.

Keep in mind that the IB requires this essay to be a "formal piece of academic writing," meaning you'll have to do outside research and cite additional sources.

The IB Extended Essay must include the following:

• A title page
• Contents page
• Introduction
• Body of the essay
• References and bibliography

Additionally, your research topic must fall into one of the six approved DP categories , or IB subject groups, which are as follows:

• Group 1: Studies in Language and Literature
• Group 2: Language Acquisition
• Group 3: Individuals and Societies
• Group 4: Sciences
• Group 5: Mathematics
• Group 6: The Arts

Once you figure out your category and have identified a potential research topic, it's time to pick your advisor, who is normally an IB teacher at your school (though you can also find one online ). This person will help direct your research, and they'll conduct the reflection sessions you'll have to do as part of your Extended Essay.

As of 2018, the IB requires a "reflection process" as part of your EE supervision process. To fulfill this requirement, you have to meet at least three times with your supervisor in what the IB calls "reflection sessions." These meetings are not only mandatory but are also part of the formal assessment of the EE and your research methods.

According to the IB, the purpose of these meetings is to "provide an opportunity for students to reflect on their engagement with the research process." Basically, these meetings give your supervisor the opportunity to offer feedback, push you to think differently, and encourage you to evaluate your research process.

The final reflection session is called the viva voce, and it's a short 10- to 15-minute interview between you and your advisor. This happens at the very end of the EE process, and it's designed to help your advisor write their report, which factors into your EE grade.

Here are the topics covered in your viva voce :

• A check on plagiarism and malpractice
• Your reflection on your project's successes and difficulties
• Your reflection on what you've learned during the EE process

Your completed Extended Essay, along with your supervisor's report, will then be sent to the IB to be graded. We'll cover the assessment criteria in just a moment.

We'll help you learn how to have those "lightbulb" moments...even on test day!  

What Should You Write About in Your IB Extended Essay?

You can technically write about anything, so long as it falls within one of the approved categories listed above.

It's best to choose a topic that matches one of the IB courses , (such as Theatre, Film, Spanish, French, Math, Biology, etc.), which shouldn't be difficult because there are so many class subjects.

Here is a range of sample topics with the attached extended essay:

• Biology: The Effect of Age and Gender on the Photoreceptor Cells in the Human Retina
• Chemistry: How Does Reflux Time Affect the Yield and Purity of Ethyl Aminobenzoate (Benzocaine), and How Effective is Recrystallisation as a Purification Technique for This Compound?
• English: An Exploration of Jane Austen's Use of the Outdoors in Emma
• Geography: The Effect of Location on the Educational Attainment of Indigenous Secondary Students in Queensland, Australia
• Math: Alhazen's Billiard Problem
• Visual Arts: Can Luc Tuymans Be Classified as a Political Painter?

You can see from how varied the topics are that you have a lot of freedom when it comes to picking a topic . So how do you pick when the options are limitless?

How to Write a Stellar IB Extended Essay: 6 Essential Tips

Below are six key tips to keep in mind as you work on your Extended Essay for the IB DP. Follow these and you're sure to get an A!

#1: Write About Something You Enjoy

You can't expect to write a compelling essay if you're not a fan of the topic on which you're writing. For example, I just love British theatre and ended up writing my Extended Essay on a revolution in post-WWII British theatre. (Yes, I'm definitely a #TheatreNerd.)

I really encourage anyone who pursues an IB Diploma to take the Extended Essay seriously. I was fortunate enough to receive a full-tuition merit scholarship to USC's School of Dramatic Arts program. In my interview for the scholarship, I spoke passionately about my Extended Essay; thus, I genuinely think my Extended Essay helped me get my scholarship.

But how do you find a topic you're passionate about? Start by thinking about which classes you enjoy the most and why . Do you like math classes because you like to solve problems? Or do you enjoy English because you like to analyze literary texts?

Keep in mind that there's no right or wrong answer when it comes to choosing your Extended Essay topic. You're not more likely to get high marks because you're writing about science, just like you're not doomed to failure because you've chosen to tackle the social sciences. The quality of what you produce—not the field you choose to research within—will determine your grade.

Once you've figured out your category, you should brainstorm more specific topics by putting pen to paper . What was your favorite chapter you learned in that class? Was it astrophysics or mechanics? What did you like about that specific chapter? Is there something you want to learn more about? I recommend spending a few hours on this type of brainstorming.

One last note: if you're truly stumped on what to research, pick a topic that will help you in your future major or career . That way you can use your Extended Essay as a talking point in your college essays (and it will prepare you for your studies to come too!).

#2: Select a Topic That Is Neither Too Broad nor Too Narrow

There's a fine line between broad and narrow. You need to write about something specific, but not so specific that you can't write 4,000 words on it.

You can't write about WWII because that would be a book's worth of material. You also don't want to write about what type of soup prisoners of war received behind enemy lines, because you probably won’t be able to come up with 4,000 words of material about it. However, you could possibly write about how the conditions in German POW camps—and the rations provided—were directly affected by the Nazis' successes and failures on the front, including the use of captured factories and prison labor in Eastern Europe to increase production. WWII military history might be a little overdone, but you get my point.

If you're really stuck trying to pinpoint a not-too-broad-or-too-narrow topic, I suggest trying to brainstorm a topic that uses a comparison. Once you begin looking through the list of sample essays below, you'll notice that many use comparisons to formulate their main arguments.

I also used a comparison in my EE, contrasting Harold Pinter's Party Time with John Osborne's Look Back in Anger in order to show a transition in British theatre. Topics with comparisons of two to three plays, books, and so on tend to be the sweet spot. You can analyze each item and then compare them with one another after doing some in-depth analysis of each individually. The ways these items compare and contrast will end up forming the thesis of your essay!

When choosing a comparative topic, the key is that the comparison should be significant. I compared two plays to illustrate the transition in British theatre, but you could compare the ways different regional dialects affect people's job prospects or how different temperatures may or may not affect the mating patterns of lightning bugs. The point here is that comparisons not only help you limit your topic, but they also help you build your argument.

Comparisons are not the only way to get a grade-A EE, though. If after brainstorming, you pick a non-comparison-based topic and are still unsure whether your topic is too broad or narrow, spend about 30 minutes doing some basic research and see how much material is out there.

If there are more than 1,000 books, articles, or documentaries out there on that exact topic, it may be too broad. But if there are only two books that have any connection to your topic, it may be too narrow. If you're still unsure, ask your advisor—it's what they're there for! Speaking of advisors...

Don't get stuck with a narrow topic!

#3: Choose an Advisor Who Is Familiar With Your Topic

If you're not certain of who you would like to be your advisor, create a list of your top three choices. Next, write down the pros and cons of each possibility (I know this sounds tedious, but it really helps!).

For example, Mr. Green is my favorite teacher and we get along really well, but he teaches English. For my EE, I want to conduct an experiment that compares the efficiency of American electric cars with foreign electric cars.

I had Ms. White a year ago. She teaches physics and enjoyed having me in her class. Unlike Mr. Green, Ms. White could help me design my experiment.

Based on my topic and what I need from my advisor, Ms. White would be a better fit for me than would Mr. Green (even though I like him a lot).

The moral of my story is this: do not just ask your favorite teacher to be your advisor . They might be a hindrance to you if they teach another subject. For example, I would not recommend asking your biology teacher to guide you in writing an English literature-based EE.

There can, of course, be exceptions to this rule. If you have a teacher who's passionate and knowledgeable about your topic (as my English teacher was about my theatre topic), you could ask that instructor. Consider all your options before you do this. There was no theatre teacher at my high school, so I couldn't find a theatre-specific advisor, but I chose the next best thing.

Before you approach a teacher to serve as your advisor, check with your high school to see what requirements they have for this process. Some IB high schools require your IB Extended Essay advisor to sign an Agreement Form , for instance.

Make sure that you ask your IB coordinator whether there is any required paperwork to fill out. If your school needs a specific form signed, bring it with you when you ask your teacher to be your EE advisor.

#4: Pick an Advisor Who Will Push You to Be Your Best

Some teachers might just take on students because they have to and aren't very passionate about reading drafts, only giving you minimal feedback. Choose a teacher who will take the time to read several drafts of your essay and give you extensive notes. I would not have gotten my A without being pushed to make my Extended Essay draft better.

Ask a teacher that you have experience with through class or an extracurricular activity. Do not ask a teacher that you have absolutely no connection to. If a teacher already knows you, that means they already know your strengths and weaknesses, so they know what to look for, where you need to improve, and how to encourage your best work.

Also, don't forget that your supervisor's assessment is part of your overall EE score . If you're meeting with someone who pushes you to do better—and you actually take their advice—they'll have more impressive things to say about you than a supervisor who doesn't know you well and isn't heavily involved in your research process.

Be aware that the IB only allows advisors to make suggestions and give constructive criticism. Your teacher cannot actually help you write your EE. The IB recommends that the supervisor spends approximately two to three hours in total with the candidate discussing the EE.

#5: Make Sure Your Essay Has a Clear Structure and Flow

The IB likes structure. Your EE needs a clear introduction (which should be one to two double-spaced pages), research question/focus (i.e., what you're investigating), a body, and a conclusion (about one double-spaced page). An essay with unclear organization will be graded poorly.

The body of your EE should make up the bulk of the essay. It should be about eight to 18 pages long (again, depending on your topic). Your body can be split into multiple parts. For example, if you were doing a comparison, you might have one third of your body as Novel A Analysis, another third as Novel B Analysis, and the final third as your comparison of Novels A and B.

If you're conducting an experiment or analyzing data, such as in this EE , your EE body should have a clear structure that aligns with the scientific method ; you should state the research question, discuss your method, present the data, analyze the data, explain any uncertainties, and draw a conclusion and/or evaluate the success of the experiment.

#6: Start Writing Sooner Rather Than Later!

You will not be able to crank out a 4,000-word essay in just a week and get an A on it. You'll be reading many, many articles (and, depending on your topic, possibly books and plays as well!). As such, it's imperative that you start your research as soon as possible.

Each school has a slightly different deadline for the Extended Essay. Some schools want them as soon as November of your senior year; others will take them as late as February. Your school will tell you what your deadline is. If they haven't mentioned it by February of your junior year, ask your IB coordinator about it.

Some high schools will provide you with a timeline of when you need to come up with a topic, when you need to meet with your advisor, and when certain drafts are due. Not all schools do this. Ask your IB coordinator if you are unsure whether you are on a specific timeline.

Below is my recommended EE timeline. While it's earlier than most schools, it'll save you a ton of heartache (trust me, I remember how hard this process was!):

• January/February of Junior Year: Come up with your final research topic (or at least your top three options).
• February of Junior Year: Approach a teacher about being your EE advisor. If they decline, keep asking others until you find one. See my notes above on how to pick an EE advisor.
• April/May of Junior Year: Submit an outline of your EE and a bibliography of potential research sources (I recommend at least seven to 10) to your EE advisor. Meet with your EE advisor to discuss your outline.
• Summer Between Junior and Senior Year: Complete your first full draft over the summer between your junior and senior year. I know, I know—no one wants to work during the summer, but trust me—this will save you so much stress come fall when you are busy with college applications and other internal assessments for your IB classes. You will want to have this first full draft done because you will want to complete a couple of draft cycles as you likely won't be able to get everything you want to say into 4,000 articulate words on the first attempt. Try to get this first draft into the best possible shape so you don't have to work on too many revisions during the school year on top of your homework, college applications, and extracurriculars.
• August/September of Senior Year: Turn in your first draft of your EE to your advisor and receive feedback. Work on incorporating their feedback into your essay. If they have a lot of suggestions for improvement, ask if they will read one more draft before the final draft.
• September/October of Senior Year: Submit the second draft of your EE to your advisor (if necessary) and look at their feedback. Work on creating the best possible final draft.
• November-February of Senior Year: Schedule your viva voce. Submit two copies of your final draft to your school to be sent off to the IB. You likely will not get your grade until after you graduate.

Remember that in the middle of these milestones, you'll need to schedule two other reflection sessions with your advisor . (Your teachers will actually take notes on these sessions on a form like this one , which then gets submitted to the IB.)

I recommend doing them when you get feedback on your drafts, but these meetings will ultimately be up to your supervisor. Just don't forget to do them!

The early bird DOES get the worm!

How Is the IB Extended Essay Graded?

Extended Essays are graded by examiners appointed by the IB on a scale of 0 to 34 . You'll be graded on five criteria, each with its own set of points. You can learn more about how EE scoring works by reading the IB guide to extended essays .

• Criterion A: Focus and Method (6 points maximum)
• Criterion B: Knowledge and Understanding (6 points maximum)
• Criterion C: Critical Thinking (12 points maximum)
• Criterion D: Presentation (4 points maximum)
• Criterion E: Engagement (6 points maximum)

How well you do on each of these criteria will determine the final letter grade you get for your EE. You must earn at least a D to be eligible to receive your IB Diploma.

Although each criterion has a point value, the IB explicitly states that graders are not converting point totals into grades; instead, they're using qualitative grade descriptors to determine the final grade of your Extended Essay . Grade descriptors are on pages 102-103 of this document .

Here's a rough estimate of how these different point values translate to letter grades based on previous scoring methods for the EE. This is just an estimate —you should read and understand the grade descriptors so you know exactly what the scorers are looking for.

Here is the breakdown of EE scores (from the May 2021 bulletin):

How Does the Extended Essay Grade Affect Your IB Diploma?

The Extended Essay grade is combined with your TOK (Theory of Knowledge) grade to determine how many points you get toward your IB Diploma.

To learn about Theory of Knowledge or how many points you need to receive an IB Diploma, read our complete guide to the IB program and our guide to the IB Diploma requirements .

This diagram shows how the two scores are combined to determine how many points you receive for your IB diploma (3 being the most, 0 being the least). In order to get your IB Diploma, you have to earn 24 points across both categories (the TOK and EE). The highest score anyone can earn is 45 points.

Let's say you get an A on your EE and a B on TOK. You will get 3 points toward your Diploma. As of 2014, a student who scores an E on either the extended essay or TOK essay will not be eligible to receive an IB Diploma .

Prior to the class of 2010, a Diploma candidate could receive a failing grade in either the Extended Essay or Theory of Knowledge and still be awarded a Diploma, but this is no longer true.

Figuring out how you're assessed can be a little tricky. Luckily, the IB breaks everything down here in this document . (The assessment information begins on page 219.)

40+ Sample Extended Essays for the IB Diploma Programme

In case you want a little more guidance on how to get an A on your EE, here are over 40 excellent (grade A) sample extended essays for your reading pleasure. Essays are grouped by IB subject.

• Business Management 1
• Chemistry 1
• Chemistry 2
• Chemistry 3
• Chemistry 4
• Chemistry 5
• Chemistry 6
• Chemistry 7
• Computer Science 1
• Economics 1
• Design Technology 1
• Design Technology 2
• Environmental Systems and Societies 1
• Geography 1
• Geography 2
• Geography 3
• Geography 4
• Geography 5
• Geography 6
• Literature and Performance 1
• Mathematics 1
• Mathematics 2
• Mathematics 3
• Mathematics 4
• Mathematics 5
• Philosophy 1
• Philosophy 2
• Philosophy 3
• Philosophy 4
• Philosophy 5
• Psychology 1
• Psychology 2
• Psychology 3
• Psychology 4
• Psychology 5
• Social and Cultural Anthropology 1
• Social and Cultural Anthropology 2
• Social and Cultural Anthropology 3
• Sports, Exercise and Health Science 1
• Sports, Exercise and Health Science 2
• Visual Arts 1
• Visual Arts 2
• Visual Arts 3
• Visual Arts 4
• Visual Arts 5
• World Religion 1
• World Religion 2
• World Religion 3

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Not sure where you want to go to college? Read our guide to finding your target school . Also, determine your target SAT score or target ACT score .

As an SAT/ACT tutor, Dora has guided many students to test prep success. She loves watching students succeed and is committed to helping you get there. Dora received a full-tuition merit based scholarship to University of Southern California. She graduated magna cum laude and scored in the 99th percentile on the ACT. She is also passionate about acting, writing, and photography.

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100 IB Extended Essay Topic Ideas!

One of the biggest keys to the Extended Essay is choosing which subject you want to write your work in and developing that crucial research question. Read on to find inspiration for topics across a wide range of subjects.

Extended Essay: The Love/Hate aspect of the IB

One of the biggest keys to the Extended Essay is choosing which subject you want to write your work in and developing that crucial research question. Annoyingly, coming up with that idea and research question can be the toughest part of the entire process. Writing 4,000 words about something you are interested in is a big ask and it often feels impossible to narrow down your thoughts. To make everything super clear, here are 100 Extended Essay Topics for you to draw inspiration from! Use these as a springboard to create your own research question !

Get Support from A Top Tutor Today

At Lanterna we have over 300 tutors who smashed their Extended Essay. They know exactly how to get an A in your EE and can give you tips and tricks on how you can do the same. What are you waiting for? Get your own tutor today !

How to Begin Your IB Extended Essay

To make everything super clear, here are 100 Extended Essay Topics for you to draw inspiration from! Use these as a springboard to  create your own research question !

Get Support from a Top Tutor Today

At Lanterna, we have over 300 tutors who smashed their Extended Essay. They know exactly how to get an A in your EE and can give you tips and tricks on how you can do the same. What are you waiting for? Get your own tutor today!

10 Steps to Writing an Extended Essay

Before we look at specific topics for your essay, let’s recap the 10-steps you’ll need to follow to complete your extended essay.

1. Define the Topic and Draft the Research Question

2. Create a Timeline

3. Identify and gather Sources

4. Set Deadlines

5. Plan the structure according to the total word count

6. Evaluate

7. independent Research

8. Write the extended essay draft

10. Present

By following the steps above, you should be able to produce a logical and coherent rationale to follow when writing the extended essay for your IB diploma programme.

By starting with a solid research question, you’ll be able to put an extended essay of global significance together, from the research and writing process all the way through to your final submission with a favourable extended essay grade.

Below, we’re sharing 10 topics across 10 subjects to inspire your next IB extended essay.

1. How the change of habitat affects an X organism?

2. How does climate affect the growth of X plant?

3. Can photosynthesis take place without sunlight?

4. What is the effect of age and gender on the photoreceptor cells in the human retina?

5. How is climate change impacting the appearance of coral reefs?

6. An evaluation of how  antioxidants  work in our bodies?

7. Does hand sanitizer, hand soap or antibacterial wipes have the greatest ability to inhibit the growth of E. Coli?

8. To what extent do live cultures in yogurts/milk/other dairy products reduce the concentration of lactose present over the course of a 2 hour incubation period at x°C?

9. What is the relationship between  population density  between X and population size of X?

10. What is the relationship between indoleacetic acid, a growth hormone, and the growth of X (a crop)?

11. How does human influence impact an aquatic ecosystem?

12. How can one organize a pollution check along a X canal in X?

13. What is the effect of the increased ecological footprint in the  Amazon ?

14. What are the forest and woodland restoration in Siberia, Russia and which one is most effective?

15. How does human interference cause ecological imbalances in an X city/country/continent?

16. What is the impact of urban development on the  bee population  in X city?

17. What are the differences in the conversation efforts in Yosemite National Park (California, USA) and the Lake District National Park (UK)?

18. To what extent have healthcare policies in X country influenced their human population curve?

19. How have changes in environmental systems influenced the value system of X country?

20. How has X landfill site affected the surrounding terrestrial ecosystem?

21. What is the profitability of  airline companies ?

22. How does unemployment affect the market?

23. Why did X recession occur?

24. How did the financial Policy affect the economy in X?

25. How effective are government policies in reducing overconsumption of alcohol (specifically hard liquor)?

26. To what extent are public buses and subways substitute goods in a country?

27. How did the tax reform in country x affect its growth and development? (many countries to choose from)

28. To what extent was weak government policy responsible for the Latin American financial crisis of 1997?

29. How effective is the  Big Mac Index  in measuring purchasing power parity?

30. To what extent would the UK suffer from leaving the European Customs Union if Brexit happens?

31. Is there an association between viewing violence on television and the display of violent acts?

32. What motivational climate should a coach employ in order to achieve optimal performance in athletes?

33. How does  X hormone affect human behavior ?

34. Compare theories explaining altruism in human behaviour

35. Discuss short-term and long-term consequences of exposure to violence

36. Why do relationships change or end?

37. Discuss how  social variables (poverty, parenting, educational environment) may the affect cognitive environment.

38. To what extent do mirror neurons play a role in empathy? (2014)

39. To what extent does Mindfulness help people cope with General Anxiety Disorder (GAD)?

40. To what extent is drug therapy effective in the treatment of bipolar disorder?

41. Does the British Parliamentary reforms act of 1832 deserve its title as the great reform act?

42. To what extent are there similarities in Hitler and Mussolini’s Rise to Power?

43. To what extent did Mao’s tackle the problems which he faced?

44. Was Tsar Alexander II of Russia reforms a success or failure?

45. To what extent was the bombing of Dresden in 1945 justifiable?

46. To what extent can  Sweden be considered neutral during WWII ?

47. The impact of structural economic weakness on the collapse of the Soviet Union.

48. How were women treated differently in 1920s and 1950s Great Britain?

49. Why did Israel win the  Six Day War  of 1967?

50. What role did economics play in the unification of Germany from 1834 to 1871?

English Literature

51. What are the Compare and Contrast Jane Austen Books?

52. How does Joseph Conrad’s portray Racism in A Heart of Darkness?

53. How does Arthur Miller’s Death of a Salesman critique today’s capitalist society? The American Dream?

54. To what extent does Chris McCandless in Jon Krakauer’s Into the Wild escape familial influence?

55. What are the similarities and differences between J.K. Rowling’s characterization of Severus Snape in Harry Potter and the Philosopher’s Stone and Harry Potter and the Deathly Hallows?

56. How does Yaa Gyasi use structure in her novel Homegoing to portray the evolution of time?

57. What is the impact of the social context on Holden Caufield and Huckleberry Finn?

58. How does Sylvia Path’s use of Inanimate objects in Bell Jar?

59. How is the empowerment of Feminine portrayed in the Lord of the Rings?

60. Compare the political rhetoric as used in the inaugural addresses of George W. Bush, Barack Obama, and Donald Trump.

61. The design, construction and calibration of an apparatus for measuring lipid concentration in milk.

62. What is the effect of a change in the optimal lift on the horizontal gliding distance of an aircraft?

63. How does the sugar concentration affect the refractive index of water?

64. How does temperature affect the viscosity of X juice/soda?

65. Is the relationship between temperature and conductivity and insulators and conductors?

66. What is the Oberth Effect?

67. What is the temperature dependence of work performed on an AA battery?

68. How can the rotational frequency of a fan driven by a flame measure distance?

69. Do wine bottles of different shapes behave as Helmholtz resonators?

70. How does the diameter of a wheel affect stability in different weather conditions?

71. What factors influence the location of industries in country/city X?

72. An investigation into the significance of preserving the quality of water in a continent/country/city?

73. An investigation into the degree to which City X can be considered a Sustainable City/Community.

74. To what extent is Biodiversity being managed successfully in city X?

75. To what extent does the education and employment of women affect Country x’s fertility rate?

76. To what extent do gender, educational attainment, and working parameters influence obesity risk?

77. To what extent has urban development affected human thermal comfort levels in Country/city x (a country/city that has developed in a rapid rate over the past decades)?

78. To what extent is the Company x corporate waste management program effective, demonstrating environmental sustainability?

79. To what extent is biodiversity being managed successfully at National Park X?

80. What types of urban design encourage high rates of vandalism in X neighbourhoods?

81. The kinetics of Enzymatic Reactions.

82. How do Iron Intake Diets differ in X country?

83. What are the different factors that affect the iodine values in cooking oils?

84. What is the effect of standing time and temperate on the acid content in X juice or soda?

85. Can caffeine in tea or coffee be reduced?

86. What is the effect of temperature on the souring of milk?

87. What are the sources of error in calorimetry?

88. Does brushing your teeth affect the pH in your mouth after eating?

89. How does changing the concentration of the reagents affect the formation and spacing between Liesehang rings in the reaction between X chloride and X when conducted in a test tube?

90. What effect does the coating of aspirin tablets have on the hydrolysis of aspirin?

Social and Cultural Anthropology

91. How clothing relates to the cultural anthropology of X culture.

92. The extent to which social media networks affect different societies.

93. The relationship between ritual, myths and faith in an X society.

94. The history of rituals in X culture.

95. How different marriage rituals inform the cultural anthropology of X culture.

96. Climate change and its impact on the evolution of different creatures on the planet.

97. Understanding the social and cultural anthropology of the supernatural in X culture.

98. An analysis of body modification in relation to social and cultural anthropology.

100. Chaste systems and social ranks in societies.

There are so many class subjects that can form the basis of your extended essay, including these popular six subjects:

– Information technology

– Computer science

– Health science

– World studies

– Visual arts

– Business management

Extended essays are a great way to improve your writing skills in academic writing. Essays of a high standard that demonstrate critical thinking and in depth analysis can be submitted to academic journals. These have the potential to reach the global society.

Start Writing Your Extended Essay Topic

We hope this gave you some great inspiration for the variation of topics available for your Extended Essay . The research question you select is what will carry you through the entire process, so be sure to choose wisely!

Remember, if you are looking for more help with your Extended Essay, make sure to check out our guide which will tell you exactly how to plan, structure, research and write your Extended Essay!

Grab Free Extended Essay Resources!

No matter the subject groups in your diploma program, we’re here to help all of our IB students. Whether you’re writing about social and cultural anthropology, business management, design technology, or scientific methods for your IB diploma, Lanterna has you covered.

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IB Biology EE examples

Filter exemplars, how do different concentrations of punica granatum extracts: peel, flower and leaves (10, 20, 30, 40 and 50 mg/ml) affect the rate of reaction of α-amylase and compare with metformin (anti-diabetic drug) as measured by a spectrophotometer at 587nm, to what extent do different concentrations of magnesium nitrate (10, 20, 30, 40, 50 mm) affect the concentration of chlorophyll a and b in ocimum basilicum at 645 nm and 662 nm wavelength using spectrophotometer, want to get full marks for your ee allow us to review it for you 🎯, to what extent does varying the duration (0 mins, 5 mins, 10 mins, 15 mins, 20 mins, 25 mins) at which a 25% solution consisting of ethanol-dissolved ayurvedic spices (curcumin and black cumin) is maintained at 60°c affect the antimicrobial activity of these spices against a k12 strain of escherichia coli, what is the effect of seawater mixture (0%, 5%, 10%) on the germination of black chickpeas (cicer arietinum), green gram (vigna radiata) and fenugreek (trigonella foenum-graecum) for 5 days and their subsequent growth when watered using tap water for 10 days where growth was measured by plant height (±0.05 cm) and dry mass (±0.001 g), to what extent does the presence of acetaminophen (tylenol), polymixin b (polysporin), and diphenhydramine hydrochloride (benadryl) in the growth medium of cotoneaster acutifolius affect the average change in leaf length over a period of 15 days in five different concentrations, fast track your coursework with mark schemes moderated by ib examiners. upgrade now 🚀, what is the effect of salinity stress (0, 50, 100, 150, 200 mm nacl) measured through microscopic (stomatal aperture) and morphological (leaf area, leaf dry mass, and root length) characteristics on pre-treated radish (raphanus sativus) seeds with magnetopriming (48 hours), to what extent do bioinformatic tools such as cb dock 2 and chimera help in the analysis of phytochemicals (calotropone, quercetin, thymoquinone) compared to allopathic drugs (gemcitabine, olaparib, fluorouracil) against target receptors of pancreatic cancer (human glutamate oxaloacetate transaminase 1 (got1), threonine-protein kinase bub1, and peroxisome proliferator-activated receptor gamma), how effective is the cone repair technique when treating ebstein’s anomaly in comparison to other treatments, to what extent do extracts of allium sativum (garlic) and zingiber officinale (ginger) reduce antimicrobial activity and how effective it is compared to antibiotics, to what extent does inhaling e-cigarettes affect the lungs’ vital capacity of high school students in jakarta, how is the number of errors made by participants when attempting to distinguish between the temperature of two different water baths influenced by the hours slept within a 24-hour period, to what extent do phytochemicals such as resveratrol, glyceollin and epigallocatechin-3-gallate (egcg) possess comparable antibacterial effects against staphylococcus aureus bacteria to a non-prescription otitis externa (oe) treatments such as ciprofloxacin using bacillus subtilis as a prokaryotic model organism, how does juice from garlic allium sativum cloves prepared in different ways (fresh raw, crushed one day prior, cooked, kept in oil, fermented in brine and fermented (black garlic)) affect the growth of a non-pathogenic strain of escherichia coli, to what extent does performing the dance styles, cha cha, viennese waltz, and modern contemporary affect human fitness levels as measured by oxygen consumption (vo2) and maximum heart rate (bpm), to what extent is blood pressure related to the development of alzheimer’s disease in people in age above 50, to what extent do different species of chili pepper consumption biologically affect the rate of lipid digestion in terms of ph change within 30 minutes, ¿cómo se estudia el angioedema hereditario, su diagnóstico, tratamiento, síntomas y etiología en humanos, to what extent do various concentrations of piper betle extract (1%, 2%, 3%, 4%, 5%) affect the enzymatic activity of the digestive enzyme amylase, protease and lipase on their substrates (starch, casein and milk) in the the process of digestion and the estimation of vitamin c concentration in piper betle, estudio sobre el efecto de la crema dental utilizada para el cepillado de los dientes como inhibidor en la actividad enzimática de la alfa amilasa salival, how can the frameshift mutation caused by a deletion that affects the human body's melanocortin receptor gene (mcr) and leptin receptor gene (lepr) induce monogenetic obesity, to what extent does high intensity interval training (hiit) effect the maximum oxygen uptake (vo2max) in sedentary populations, investigating the effects of oil spillages on plants, what effect do differing concentrations of the growth hormone gibberellic acid, have on the growth and mortality rates of pulses, common beans (phaseolus vulgaris l.) and common peas (pisum sativum l. 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Extended Essay: Sciences: Biology

• Step 1 - Choosing a Subject
• Step 2 - Choosing a Topic
• Step 3 - Draft a Research Question
• Step 4 - Finding Sources
• Step 5 - Evaluating Information
• Step 6 - Bibliography & Citation
• Step 7 - Organizing Information
• The Arts: Visual Arts
• Individuals & Societies: Business Management
• Individuals & Societies: History
• Individuals & Societies: Psychology
• Language Acquisition
• Language and Literature
• Sciences: Biology
• Sciences: Sports, Exercise, and Health Sciences
• Interdisciplinary Papers: World Studies
• Assessment Criteria
• Research Questions
• Investigation

Extended Essay in Biology

Extended Essays in Biology

Choosing a topic

Choosing a Topic

Biology is the science that deals with living organisms and life processes. A biology EE should incorporate biological theory and emphasize why it is relevant today.

The topic must relates specifically to biology. Many topics can be approached from different viewpoints, but for an EE in biology the treatment of the topic must be clearly biological. For example, an EE in an interdisciplinary area such as biochemistry will, if registered under the subject of biology, be judged solely on its biological content.

Disease, for example, could be considered through many different lenses. A biology paper about diseases would focus on their impact on particular organisms or life processes, and not on medical treatment, or the economic effects of the disease on society.

Approaches to research

Primary Research

Essays in biology may be based on data collected by the student through:

Essays that involve lab work, or fieldwork, should include a clear and concise description of the experimental procedure. Students taking an experimental approach must also consult secondary sources.

Secondary Research

Students can base their essays on data or information obtained from literature (secondary studies). However, in this case they should use the data in an original way. Essays that simply restate facts or data taken directly from the sources are of little value.

Biology Sources

Even students doing primary research will still need to reference secondary sources. And students relying entirely on secondary sources will need to find sources not only of written information but also experimental data which they can analyze.

Writing the Essay

An essay in the sciences requires is more than just generating and presenting data. Analysis of the data is also essential. The main body of the essay should consist of an argument or evaluation based on the data or information presented . You can gather your own data through a variety of methods, or rely on secondary data. You should use graphs, tables, or diagrams to point out the significance of your findings.

You should ensure that the main body of the essay is well structured and has an obvious logical progression. You can use numbered and headed paragraphs to impose a clear structure. Your evaluation should show that you understand the the data they have collected and its significance to the world.

In your analysis, you should also describe and explain the limitations imposed on the research by factors such as

• the suitability and reliability of the sources accessed
• accuracy and precision of measuring equipment
• sample size
• validity and reliability of statistics

Students  should also consider biological limitations such as:

• those arising from the problem of repeatability and control when using living material
• the difficulties of generalizing from research based on a single type of organism or environment.

Exceptions for Safety and Academic Honesty

Safety and Ethics in Choosing a Topic

In all cases where human subjects are used as the basis for an investigation, clear evidence of informed consent must be provided in accordance with the IB guidelines.

Some topics may be inadmissible because their means of investigation are unethical. For example, investigations that:

• are based on experiments likely to inflict pain on, or cause stress to, living organisms
• are likely to have a harmful effect on health, eg culturing micro-organisms at or near body temperature (37°C)
• involve access to, or publication of, confidential medical information.

Some topics may be unsuitable because of safety issues. Adequate safety apparatus and qualified supervision is required for experiments involving dangerous substances such as:

• toxic or dangerous chemicals
• carcinogenic substances
• radioactive materials.

Other topics may be unsuitable because the outcome is already well known and documented in standard textbooks.

Assessed Student Work

• The Antimicrobial Effects of Metals Copper, Barium and Silver on the Growth of Bacteria
• Effects of different calcium salts in growth solutions on the growth of the stems of basil (Ocimum basilicum) plants grown hydroponically
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It is best to help find topics that can be successfully completed by the students themselves. The aim is for students to follow a personal learning pathway. The more they can put their own ideas and skills to the essay process the more internal motivation they will have and the less need there will be for deadlines and pressure from the teacher.Supervisors should try to help the student find the following:

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240 Interesting Biology Topics for Essays & Research Papers

Biology is often called the science of life . From bacteria to whales, biologists study all kinds of organisms. Have you ever wondered why bees dance? Or how can chickens be the closest modern relatives to dinosaurs? The buzzing world is full of complex wonders like these. That’s why it’s so easy to find a biology research topic of your liking.

If you need to craft a biology essay, this article is for you. Here you can learn about research areas and fields in biology. Besides, you will find 220 interesting biology topics to write about. Read on to refresh your knowledge of microbiology, epidemiology, and more.

Tight deadlines are demanding for all students. Luckily, our custom writing service is there for you! With our help, your biology project will be done in no time.

🔝 Top 10 Biology Research Topics

📚 areas of research in biology, ⭐ top 10 interesting biology topics for essays, 🍎 biological topics for high school.

• 🦠 Microbiology Topics
• 💀 Anatomy & Human Biology
• 🔬 Cell & Molecular Biology
• ♻️ Environmental Biology
• 🐬 Marine Biology
• 🌻 Plant Biology
• 🧬 Evolutionary Biology
• 👶🧑 Developmental Biology
• 😷 Epidemiology & Population Topics in Biology
• 📜 History of Biology

🔍 References

• Are viruses alive?
• How do emotions work?
• What is the role of hormones?
• Ways to recover endangered species
• Are allergies a sign of immune disorder?
• What is the function of chromosomes?
• Robert Hooke’s contribution to biology
• The difference between Darwinism and evolution
• The process of bacterial invasion of the body
• Ways to strengthen the human immune system

Biologists operate on a vast scale. Naturally, there are plenty of research areas. Let’s sort them out:

• Microbiology. Microbiologists examine minute organisms. Many of them, such as viruses, can cause infectious diseases. Because of this, microbiology is strongly linked with immunology.
• Anatomy. Anatomical research focuses on the structure of tissues and organs.
• Cell and molecular biology. Cells are the basis for every living being. The key topic in this area is the molecular organization of cells.
• Environmental biology. Our environment needs support, and environmental biologists provide it. They study ecosystems to find out how humans affect nature. Scientists in this area also observe how organisms react to their surroundings.
• Marine biology. This branch is concerned with life in the deep seas. Oceanography is a crucial part of marine biology.

• Botany. This study is also called plant biology. It studies the properties of organisms that need sun and water to survive. Common categories of plants include trees, shrubs, and flowers.
• Evolutionary biology. All that lives is always evolving. Organisms create, merge, and delete genes. Evolutionary biologists monitor these changes.
• Developmental biology. Research in this area includes studying tissue regeneration and cell growth.
• Epidemiology. Epidemiologists investigate diseases and health conditions. Key questions include: Where does a disease originate from? How does it transmit? What risks are there?

With this overview in mind, you’re ready to choose an interesting biological topic.

• 4 types of biotechnology
• Main branches of biochemistry
• Pros and cons of gene therapy
• Exobiology vs. astrobiology
• Biological functions of the DNA
• Levels of biological organization
• Properties of the phylogenetic tree
• Classification of invertebrate animals
• History of modern light microscopes
• The early modern period of plant systematics

From peas to platypuses: high school biology covers a wide range of topics. In your biology essay, you’ll have the chance to familiarize yourself with any of them. Your options are almost endless! Consult our list of 20 popular ideas to get your research started:

• Compare the types of cell reproduction. 
• How did Gregor Mendel discover heredity? 
• Cell structure: prokaryotes vs. eukaryotes. 
• Enzymes : what do we need them for? 
• Explain how photosynthesis converts CO2 into O2. 
• How does the human metabolism work? 
• What are the differences between mitosis and meiosis?
• How do you predict the probability of inheriting a gene? 
• Describe the structure of DNA.  
• What is PCR used for? 
• Biotechnology: the mechanisms behind cloning. 
• Survival of the fittest: what does natural selection mean? 
• Discuss the latest evidence for Darwin’s theory of evolution. 
• The tree of life: how does this concept depict the relationships between species? 
• What kind of strategies do organisms use to get nutrition? 
• Dinosaurs and their modern relatives: what do we know about them? 
• How does our nervous system transport information? 
• Explain the mechanisms behind the carbon cycle. 
• Examine the human impact on biodiversity . 
• What factors regulate population dynamics? 

🦠 Microbiology Research Topics for Students

The world of microbiology consists of tiny organisms. Researchers study microbes and other simple life forms such as bacteria and fungi. This way, they aim to solve environmental as well as medical issues.

• How do microbes develop resistance? 
• Give an overview of our immune system’s defense mechanisms. 
• Contrast the types of microbiomes. 
• What are the industrial applications for microbiology ? 
• How do you degrade soil pollutants using microbes? 
• Investigate examples of agents that kill bacteria. 
• What makes yeast versatile? 
• The differences between virions and viroids. 
• What are acellular agents? 
• Give an overview of the biochemical properties of fungi. 
• What are possible causes for asthma? 
• The relationship between stress and our immune system’s performance. 
• How do vaccines work? 
• Examine the structure of archaeal genes. 
• Why is microbial diversity important? 

• How do microbes contribute to an ecosystem? 
• The role of microbes in food contamination. 
• How do bacteria turn milk into yogurt? 
• Applications of microbial biotechnology. 
• Describe the four groups of protozoa. 

💀 Anatomy & Human Biology Topics

Human biology studies people as single organisms and in the context of populations. Two of its essential parts are anatomy and anthropology. The latter studies the evolution of humankind. The former is more concerned with body structure. Combine all three subjects to gain a 360° view of humanity!

• Describe the functions of the respiratory system.  
• What happens to your body if you’re anemic? 
• Outline the history of the human population. 
• How does medical anthropology help us understand health? 
• Reading bones: what types of information can osteologists gather? 
• Biomechanics: what makes humans move? 
• Compare the proposed effects of various current trends in nutrition . 
• Explore the psychological factors that influence one’s health. 
• How does your brain control your behavior? 
• Synapses: structure and mechanisms. 
• Explain how kidneys filter blood. 
• What regulates muscle contraction ? 
• Discuss the new reproductive technologies from an anthropological perspective. 
• Describe the structure of a skeletal muscle fiber. 
• The cerebral cortex: what does it do? 
• Brain, hormones, and emotions. 
• Functions of the sodium-potassium pump. 
• Examine what blood consists of. 
• What happens when your heart skips a beat? 
• Is the growth in the human population out of control? 

🔬 Cell & Molecular Biology Research Topics

Your body’s fundamental structure is made up of cells. Their properties are in the center of interest for cell biologists. They investigate a cell’s life cycle and its vital functions. On a molecular level, this includes the role of chemical processes in cell activity.

• How does cancer affect the body’s cell growth? 
• The protein paradox: what is the right amount of protein? 
• How do cells heal bones? 
• The ethics of stem cell research . 
• Investigate the communication methods between cells. 
• Explore the link between the environment and our DNA. 
• Current trends in molecular biochemistry. 
• Telomerase: will it ever be possible to reverse aging processes? 
• What do we know about axon guidance? 
• Where does our brain keep the memories? 
• Why do cells become sticky? 
• High-resolution microscopy: ways to advance molecular research. 
• How do cilia move cells? 

• Treating glaucoma: is surgery always necessary? 
• The role of microtubules in the nervous system. 
• Diffusion: means of transport within cells. 
• What does the central dogma of molecular biology state? 
• Trace the steps of DNA translation. 
• Why do cells need to eat their dead counterparts? 
• How does protein biosynthesis work? 

♻️ Environmental Biology Topics to Research

Environmental biologists ensure our harmonic coexistence with nature. They are also in charge of monitoring wastewater disposal and pollution levels. This branch is closely related to ecology.

• Discuss the importance of light in different bodies of water. 
• Aftermath of building the Hetch Hetchy valley dam. 
• The devastating impact of deforestation in the Amazon. 
• Analyze the consequences of desertification. 
• How do genetically modified insects influence the environment? 
• What would happen if all the bees die? 
• Compare several methods of wastewater disposal. 
• What were the ecological effects of Indonesia’s Mega Rice Project? 
• The Great Pacific Garbage Patch: will we ever get rid of it? 
• How do worms indicate the state of an ecosystem? 
• Why is it important to conserve biodiversity? 
• DDT: how did it affect wildlife in the US? 
• What causes toxic algae bloom? 
• Compare the adverse health effects of common contaminants in the air. 
• The Aral Sea: how did it disappear? 
• How do genetically engineered crops impact the environment? 
• Indoor air pollution: causes and risks. 
• The pros and cons of using natural gas . 
• Trace the ecological footprint of cotton production. 
• What are the ways to ensure food security without harming the environment? 

🐬 Marine Biology Topics for a Paper

Fun fact: the vast majority of our oceans are still unobserved. Research in marine biology encompasses all organisms living close to or under water. Do you want to participate in uncovering the mysteries of the deep sea? This section is for you!

• How does luminescence in marine vertebrae work? 
• Dolphins: how do they communicate? 
• The impact of military sonar on whales. 
• What makes the Galapagos Islands so unique? 
• Compare different camouflage techniques of marine animals. 
• How do aquatic organisms live together in coral reefs? 
• Causes of high mercury concentrations in fish. 
• Investigate the impact of overfishing in China. 
• Explain how rising sea temperatures affect marine life. 
• Contrast the survival strategies of various penguin species. 
• The ethics of seafood farms. 
• Examine bacteria’s contribution to biological processes in the sea. 
• What are the types of invasive species? 
• The contribution of birds to a stable marine ecosystem. 
• Identify the biggest threats to marine biodiversity. 
• Inspect the predatory behavior of starfish. 
• How do corals form? 
• The importance of phyto- and zooplankton to ponds. 
• Whales: how did they evolve? 
• What are the four types of oceanography ? 

🌻 Plant Biology Research Topics

Plant biology, you guessed it, investigates plants. These green organisms are incredibly versatile. From redwood trees to algae, plants come in all sizes and shapes. Scientists use botanical knowledge to improve our food and medicine supplies. They also help to conserve forests, parks, and wilderness areas.

• What causes diseases in plants? 
• What are the benefits of studying algae ? 
• Recently, scientists engineered a plant to glow by itself. How does it work? 
• What makes some plants toxic? 

• Compare various defense mechanisms of flowers. 
• Deciduous trees: what are the advantages of leaf loss? 
• How do Butterworts acquire nutrition? 
• Carnivorous plants: methods of luring prey. 
• Types of negative feedback in plants. 
• Give examples of thigmotropism. How does it work? 
• What problems are associated with the definition of kingdoms? 
• Investigate the anatomical structure of plant roots. 
• Phytohormones: how do they influence plant growth? 
• Plants and music: does sound have any measurable effects on plant development? 
• How do plants produce starch? 
• Why do weeds grow excessively? 
• Investigate plant disease management and intervention. 
• Industrial applications of synthesized plant mechanisms. 
• Cacti: how do they survive in the desert? 
• Examine the biological properties of medicinal herbs. 

🧬 Hot Topics in Evolutionary Biology to Write About

Evolutionary biologists observe change in all living organisms. If you want to know why life on Earth is so versatile, evolutionary biology has the answer. Research areas cover ecology and genetics, as well as paleontology.

• How does stabilizing selection ensure the same phenotype for a species during evolution? 
• Discuss Tinbergen’s four questions. 
• What are the benefits of sexual reproduction ? 
• Cancer: why does it persist? 
• Society and evolution: are they connected? 
• Southeast Asia and the limited occurrence of the alcohol dehydrogenase gene. 
• Is there a scientific reason to divide humans into races? 
• Track the evolution of aging throughout human history. 
• How does speciation work? 
• Genetic drift and its effects on variation. 
• Describe problems concerning the Modern Synthesis. 
• Selective sweeps: how likely are they to cause disease? 
• What does the Red Queen hypothesis state? 
• How do you determine age in herbaceous plants? 
• Life history theory: how does a species’ life history influence its evolution? 
• What are the ways for a species to achieve its maximum fitness? 
• How did the bees learn to communicate information by dancing? 
• Investigate the evolution of stamina in animal locomotion. 
• How does an animal’s physiology adapt to its geographic range? 
• Compare the evolutionary process of endotherms and ectotherms. 

👶🧑 Developmental Biology Research Topics

When animals and plants grow, their features change. It’s no surprise: every living being starts as a single cell. It’s a long way from there to a fully formed organism! Developmental biologists track this process at different levels.

• Why are men more likely to be colorblind than women? 
• What is phylogenetic niche conservatism? 
• Identify origins of congenital disorders. 
• What causes birds to become territorial? 
• Explain the two types of developmental mechanisms. 
• Why does getting older make humans more susceptible to cancer? 
• Homeotic genes: how do they influence the development of body structures? 
• Describe the advantages of apoptosis. 
• What causes polycephaly? 
• How do stem cells differentiate? 
• Investigate regeneration in hydra. 
• Mechanisms of metamorphosis in frogs. 
• What happened during the Cambrian explosion? 
• How do plants produce new structures? 
• Examine the process of neurulation in fish. 
• What are the types of deformations found in plants? 
• Describe the ABC model of flower development. 
• Why are zebrafish good model systems for developmental studies? 
• Search for the origins of the vertebrate body plan. 
• What does the concept of morphogen gradient say about the fate of cells? 

😷 Epidemiology & Population Topics in Biology

Investigating health-related events is a part of epidemiologic research. The goal is to find out what causes diseases in a specific population. Epidemiology analyzes other health issues such as natural disasters and injuries. Population biology focuses on the interaction between populations and their environment.

• How does evolutionary game theory describe the development of a population? 
• When is a strategy evolutionarily stable? 
• How does phenotypic variety in plants help manage disease? 
• What diseases are caused by heavy metal pollution? 

• How did the Coronavirus pandemic contribute to a rise in cases of domestic violence ? 
• Reasons for an increased rate of congenital disabilities in a specific area. 
• Asian carp: a harmful disruption of the marine population in American rivers. 
• Compare the three kinds of population distribution. 
• Examine the consequences of the 1783 Laki eruption. 
• Examine various policies to moderate population growth . 
• How do predator-prey dynamics work? 
• Avoidance mechanisms of resource competition. 
• Describe the three types of symbiotic relationships . 
• How does a species regulate its abundance? 
• What happens if the equilibrium state of a community is disturbed? 
• Factors that encourage human population growth. 
• Contrast the survivorship curves of humans, birds, and trees. 
• Obesity : causes and solutions. 
• Depression : how does it affect society? 
• The role of causal inference in epidemiological studies . 

📜 History of Biology Topics to Write About

Even before the emergence of scientific studies, humans had basic biological understanding. They were able to spot edible plants and domesticate animals. Assyrians and Babylonians were the first to implement biological knowledge. If you’re looking for a theoretical research project, this is the right research area for you.

• Explore the medical knowledge available in ancient China. 
• The history of agriculture in India. 
• How did the Greek philosophers theorize about the origin of life? 
• Investigate the theory of the four humors. 
• Aristotle’s classification of animals. 
• Give an overview of discoveries in Galen’s medical writings. 
• What caused the stagnation in scientific progress during the Middle Ages? 
• Al-Jahiz’ discovery of the relationships between organisms. 
• Albertus Magnus: what was his contribution to botany? 
• How did Italy become the center for biological studies? 
• What factors impacted the development of biology during the Renaissance? 
• Trace the origins of modern anatomy. 
• What led to the establishment of the cell theory? 
• Jump starting biological progress: the invention of the microscope. 
• Louis Pasteur and the dismissal of spontaneous generation. 
• How did the discovery of heredity influence modern biology? 
• What led to the discovery of blood circulation? 
• How did the Royal Society of London impact scientific development in Europe? 
• What technology helped advance biological research in the 20th century? 
• The rise of bioinformatics: boosting progress in genetic data analysis. 

We hope our article gave you some useful ideas for your biology paper. Good luck with your assignment!

You might also be interested in:

• A List of 212 Brilliant Research Proposal Topics to Investigate
• 220 Best Science and Technology Essay Topics to Write About
• 501 Research Questions & Titles about Science
• 300 Interesting Chemistry Topics & Writing Tips
• 150 Best Environmental Essay Topics & Questions
• 165 Health-Related Topics & Essay Ideas
• 281 Best Health & Medical Research Topics
• What is Biology?: NTNU
• High School Biology: Khan Academy
• Microbiology: University of Pittsburgh
• Human Biology: University at Albany
• Explore Topics Related to Cells: NIH
• What Is Marine Biology?: MarineBio Conservation Society
• Developmental Biology: Stanford Encyclopedia of Philosophy
• Introduction to Epidemiology: Centers for Disease Control & Prevention
• The History of Biology: Encyclopedia Britannica
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A Collection Of Strong Biology Extended Essay Topics

Introduction.

When you’re tasked to write an extended essay about biology, it helps to write something that you are interested in and something that you enjoy since you’ll be spending a great amount of time working on it. You can start by sorting out what branch of biology you like best or you’re passionate about. This way, your burden in writing may somehow be reduced in the process.

If you are having a hard time getting started in your writing work, you can refer to the following topic ideas about IB Biology extended essay:

• Can photosynthesis process without sunlight?
• Discuss about the safety standards of storing cow milk
• What are the effects of changes in change of habitats?
• Can plants act distinctly with others that have identical habitats with them?
• Does pollination take place in profound areas?
• Discuss the distinction between aquatic and land plants
• How do plants act as healers or how can they provide therapeutic effects?
• Do pain killers impair the human brain?
• How are flowers produced?
• Does banana peel have effect on seed germination?

What should you keep in mind when writing biology extended essay topics?

It is critical to concentrate on the reasoning of being asked to accomplish this form of paper. Fundamentally, it is advised to explore, examine and prove a theory in biology. What is more, it makes sense to thoroughly go over the guidelines and instructions that you have been provided. Note that this is actually pivotal since it would be devastating for you if you are already in the middle of writing only to uncover that you’re not on the right roadmap. Make sure that you keep the guidelines by your side all through the process so that you won’t need to refer to them every step of the way.

It is indeed true that finding strong biology extended written discourse topic is challenging. The good news is that there are several tips and tricks on how to come up with a good one that you can consider as your own title for your writing assignment. Depict a strong topic for your biology extended essay. Bear in mind that a strong topic shall have some great background research which you can use to your advantage and it shall not be on the unapproved list in the guidelines. Note that this might not be the most helpful piece of data but it will considerably aid you in terms of concentrating on what is not a great topic to delve into.

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Biology Essay Topics: 50+ Ideas for Your Next Project

by  Antony W

December 16, 2023

A Biological essay is a technical piece of assignment that requires careful topic selection, structure, and writing. So if your teacher hasn’t given you a title for the essay , you should tread carefully when choosing topics.

In this post, we share with you a list of 50+ Biology related ideas, which you may find useful and equally interesting during the brainstorming stage. You can use the list as inspiration to come up with a topic of your choice, or you can pick of these examples and modify it to your liking.

Key Takeaways 

• Because Biology is a broad subject, you should choose a topic that focuses on an interesting theme or an area that you’ve always wanted to explore.
• Check the Biology assignment prompt for guidelines on what you have to do, as these are the instructions that will inform your essay.
• Share the topic with your teacher first, so they can give you their opinion on whether it’s a suitable one to research.

50+ Best Biology Essay Topics

Below is a list of 50+ topics that you just might find useful and interesting enough to explore in your Biology essay:

Human Biology Essay Topics

• How does the mouse serve as a model for understanding human biology?
• What defines the secular trend observed in human physical growth over time?
• The significant role of medicinal plants in human life and health
• Understanding the characteristics of human biorhythms and their implications
• The interconnected circles of human blood circulation and the relationship between the respiratory and cardiovascular systems
• How do neurons interact within nerve centers, and what impact does this have?
• The influence of parental smoking, alcohol, and drug abuse on the embryonic development of a child

Controversial Biology Essay Topics

• What are the leading theories on how life initially emerged on Earth?
• Is there evidence suggesting that plants might experience something akin to pain?
• Can we determine if animals possess consciousness? 
• To what extent is animal testing essential for achieving major biological breakthroughs?
• What defines the concept of the Last Universal Common Ancestor (LUCA) in evolutionary biology?
• Where did eukaryotic life forms originate from and what evidence supports this?
• Are viruses considered living entities, and why or why not?
• What are the fundamental theories explaining the origins of the human species?
• Why has the mystery of brain function remained unsolved despite scientific advancements?
• Is it scientifically accurate to state that a fetus cannot feel pain?
• What is the current understanding of the status of Nano bacteria in biological research?

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Biology Extended Essay Topics

• How does a multicellular organism develop from a single cell?
• What are the defining characteristics of the regeneration process in living organisms?
• How does guided natural selection influence species’ evolution, and what are its implications?
• What structural and anatomical features differentiate mammals, using two representatives for comparison?
• How does catastrophe theory contribute to understanding the progression of life in nature?
• What are the biological aspects of pathogenesis in both animals and plants?
• How does self-regulation function within biological systems?
• Describe the processes involved in the reproduction and development of living systems.
• What are the fundamental organizational principles that sustain the biosphere?
• How do different forms of movement occur at the subcellular, cellular, and organism levels?

Cell Biology Essay Topics

• How do stem cells contribute to medical advancements?
• What pathways in cell biology offer promising approaches for treating Alzheimer’s disease?
• The primary research methods utilized in cell biology and how they contribute to scientific discoveries.
• How scientists study fixed objects and the insights that this approach provide. 
• The fundamental differences between DNA and RNA, and how do they function within cells.
• An overview of the structure and components that constitute a cell in biology

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Zoology Essay Topics

• What are the intricate migration patterns of birds and how do they navigate across vast distances?
• How primate language or communication systems resemble and differ from human language.
• Analyze how scientists analyze and manage the impact of invasive species on ecosystems.
• Explain how different species of animals communicate with each other.
• What historical evidence or scientific findings shed light on the domestication process of canines and its impact on their behavior and traits?
• Is there a correlation between brain size and the intelligence or cognitive abilities of different species?

Animal Research Essay Topics

• What factors contribute to the rising obesity rates among household pets?
• Ethical considerations surrounding the testing of beauty products on animals
• What cognitive functions do primates exhibit and how do these compare to human cognitive abilities?
• How do predators and prey adapt to their roles in the ecosystem and what strategies have evolved in this ongoing interaction?
• What variations exist in the vision of different animal species and how do these adaptations contribute to their survival?
• The implications of fishing practices on marine conservation efforts
• What are the consequences of removing animals from their natural habitats?

Botany Essay Topics

• What recent breakthroughs in plant research have significantly affected modern agricultural practices? 
• How do plants respond to various stressors and what physiological mechanisms enable them to adapt to adverse conditions?
• Elaborate on the structural diversity and different types of fungi.
• What recent discoveries or insights have emerged from the study of plant fossils and how do they contribute to our understanding of ancient plant life?
• How does the process of photosynthesis function in plants and what factors influence its efficiency and effectiveness?
• What are the mechanisms of genetic inheritance in plants and how do these mechanisms affect the traits and characteristics of plant species?
• What are some prevalent diseases or issues affecting plants and what methods are used to manage or prevent these problems?
• What unique characteristics define ferns, and what role do they play in the ecology and biodiversity of various habitats?

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629 Extended Essay Topics & Good Ideas

• Icon Calendar 17 May 2024
• Icon Page 5307 words
• Icon Clock 24 min read

Extended essay topics refer to a variety of subjects, each with its unique requirements and scopes. In the realm of English Literature, topics may involve analyzing themes or characters in specific texts. Science subjects, like Biology or Chemistry, may investigate hypotheses through laboratory work. In History, students may examine past events or societies. Mathematics may include proving a complex theory, while Computer Science may require developing a new algorithm. Economics topics may study market trends, while those in Arts may critique famous works. In turn, an extended essay is a comprehensive research project that demands deep engagement with the chosen topic. The key is to choose something both challenging and fascinating.

Best Extended Essay Topics

• Interpreting Dreams: An Analysis of Freud’s Theories
• Autism Spectrum Disorder: A Comparative Study of Intervention Strategies
• Quantum Mechanics’ Role in Advancing Computer Science
• Shakespeare’s Influence on Contemporary Drama
• Exploring the Role of Propaganda in World War II
• Impacts of Climate Change on Coral Reefs
• Architecture’s Evolution in Post-Colonial Africa
• Decoding Hieroglyphics: Understanding Ancient Egyptian Civilization
• Influence of Picasso on Abstract Art
• Origins of Blues Music: Cultural and Historical Context
• Examination of Feminism in Virginia Woolf’s Literature
• Cryptocurrency and Its Implications on Global Economy
• Astrophysics and the Mystery of Black Holes
• Cybersecurity in a Digitally Dependent Society
• Human Genome Project: Revolutionizing Biomedical Research
• Climate Change Policies: Comparative Study Between Europe and Asia
• Roles of Drones in Modern Warfare
• Implications of Veganism on Environmental Sustainability
• Examination of Greek Mythology in Modern Cinema
• Historical Evolution of the Olympic Games
• Deciphering Dystopia: Analysis of Orwell’s “1984”
• Fast Fashion Industry: Environmental Impact and Sustainability
• Plastic Pollution: Threat to Marine Biodiversity
• Quantum Computing: Potential Impact on Cybersecurity
• Cryptocurrency Regulation: A Comparative Study
• Exploring the Socio-Cultural Impact of Anime

Easy Extended Essay Topics

• Interpretation of Impressionist Paintings: Monet’s Masterpieces
• Biotechnology in Agriculture: Advancements and Ethical Implications
• Leonardo da Vinci: Intersect of Art and Science
• Behavioral Patterns in Primates: A Comparative Study
• Socio-Economic Consequences of the French Revolution
• Big Data and Artificial Intelligence: Transforming Business
• Mysteries of the Bermuda Triangle: Scientific Theories
• Concept of Time Travel in Science Fiction Literature
• Neurological Aspects of Deja Vu Phenomenon
• Paranormal Phenomena: A Psychological Perspective
• History of Alchemy: From Pseudo-Science to Chemistry
• Climate’s Impact on the Development of Ancient Civilizations
• Examining Social Hierarchy in Ant Colonies
• Genetic Engineering: Evaluating Its Ethical Implications
• Understanding Solar Flares and Their Impact on Earth
• Role of Puppets in Traditional Japanese Theatre
• Renaissance Architecture’s Influence on Modern Urban Planning
• Invasive Species: Impacts on Ecosystem Diversity
• Virtual Reality: Future of Entertainment and Education
• Analyzing the Artistic Styles in Manga and Comic Books
• Decoding Symbology in Da Vinci’s Artwork
• Psychological Impact of Social Media on Teenagers
• Roles of Probiotics in Human Gut Health
• Machine Learning and Its Applications in Finance

Interesting Extended Essay Topics

• Impacts of Pandemics on Global Economy: A Historical Perspective
• Cultural Significance of Fairy Tales in Child Development
• Examination of Bioluminescence in Deep Sea Creatures
• Postmodern Literature: Deconstruction and Interpretation
• Effects of Deforestation on Amazonian Indigenous Tribes
• Analysis of Women’s Representation in Classic Literature
• Exploring the Origins and Evolution of Jazz Music
• Nanotechnology’s Potential in Cancer Treatment
• Examination of Historical Accuracy in Hollywood’s War Films
• Impacts of the Industrial Revolution on European Society
• Understanding the Philosophical Themes in Nietzsche’s Works
• Social Impacts of Mass Surveillance: A Global Perspective
• Music Therapy and Its Effect on Mental Health
• Comparative Analysis of Democratic Systems in Different Countries
• Roles of Artificial Intelligence in Modern Transportation
• Evolution of Special Effects in Cinema
• Decoding the Socio-Political Themes in Banksy’s Art
• Effects of Genetically Modified Crops on Agricultural Practices
• Historical Evolution of Cryptography: From Caesar Cipher to Quantum Cryptography
• Roles of Symbiotic Relationships in Ecosystem Stability
• Exploration of Existential Themes in Kafka’s Novels
• Evaluating the Influence of the Spanish Conquest on Aztec Culture
• Urbanization and Its Effect on Biodiversity in Metropolitan Cities
• Analyzing the Concept of Heroism in Greek Mythology

International Baccalaureate (IB) Extended Essay Topics

• Influences of Climate Change on Coral Reefs and Their Biodiversity
• Rethinking Nuclear Energy: An Examination of Its Economic Implications
• Roles of Women in Shaping the Renaissance Art
• Analyzing the Impact of Digitalization on Global Marketing Strategies
• Exploring Ethical Implications of Genetic Engineering in Medicine
• Effect of Globalization on Cultural Identity: A Case Study of Japan
• Dynamics of Migrant Labor in the Global Economy
• Cybersecurity Measures and Their Efficacy in Preventing Data Breaches
• Impacts of the Spanish Flu Pandemic on Early 20th-Century Literature
• Understanding Gender Representation in Disney Animated Movies
• Evolution of Hip Hop: Social and Political Influences
• Architectural Innovations in Ancient Roman Civil Engineering
• Cryptocurrencies’ Influence on Modern Financial Systems
• Exploration of Quantum Computing: Potential and Challenges
• Sustainability in Fashion: Analyzing the Shift Toward Eco-Friendly Practices
• Revolutions in Modern Robotics and Their Effect on Manufacturing Industries
• Religious Symbolism in William Blake’s Poetry
• Mathematical Modeling in Predicting Climate Change Impacts
• Comparing the Democratic Transitions: South Africa and Spain
• Artificial Intelligence and Its Implications on Privacy
• Jazz: Tracing Its Roots and Cultural Significance
• Assessing Health Impacts of Air Pollution in Urban Areas
• Understanding the Development of the English Language Over Centuries
• Rise of eSports: Societal Impact and Future Prospects

Anthropology Extended Essay Topics

• Impacts of Globalization on Indigenous Cultures: A Case Study
• Evolution of Human Language: Tracing Linguistic Diversities
• Analyzing Gender Roles in Prehistoric Societies
• Intersection of Anthropology and Genetics: Human Variation
• Comparative Study of Kinship Systems Across Cultures
• Matriarchal Societies: An Exploration in Anthropological Perspectives
• Paleolithic Art as a Window into Early Human Behavior
• Ritualistic Practices: Investigating Their Societal Implications
• Anthropological Insights into Urbanism and City Planning
• Dynamics of Religion and Spirituality in Ancient Cultures
• Traditional Medicine and Its Role in Societal Health
• Cultural Adaptation to Climate Change: Historical Examples
• Examination of Societal Hierarchies in Ancient Civilizations
• Migration Patterns and Their Influence on Cultural Identity
• Roles of Folklore in Preserving Cultural Heritage
• Taboos and Social Norms: A Cross-Cultural Examination
• Cultural Impacts of Colonialism: A Multi-Region Analysis
• Symbolism in Ritualistic Artifacts Across Various Cultures
• Analyzing the Evolution of Marriage Institutions Across Societies
• Deciphering Power Structures through Anthropological Lenses
• Body Modifications and Their Cultural Significance: A Comparative Study
• Influence of Economy on the Development of Societies: An Anthropological Analysis

Biology Extended Essay Topics

• Genetic Influence on Human Behavior: An In-Depth Study
• Mitochondrial DNA: Unraveling Maternal Lineage
• Impact of Environmental Changes on Coral Reefs
• Phylogenetic Analysis: Uncovering Species Evolution
• Ecosystem Diversity in Tropical Rainforests
• Understanding Pathogenesis in Prion Diseases
• Roles of Bioluminescence in Marine Creatures
• Cross-species Viral Transmission: Factors and Risks
• Photosynthesis Efficiency in C3 and C4 Plants
• Epigenetics: Exploring the Effects of Lifestyle
• Symbiotic Relationships: Unearthing Mutualism in Nature
• Proteomics: Decoding Protein Function and Structure
• Resilience of Mangroves to Climate Change
• Pollinators and Floral Diversification: A Co-Evolution Study
• Antibiotic Resistance: Evaluating Threats to Global Health
• Cellular Senescence and Aging: A Comparative Study
• Microbiome Impact on Human Immune Response
• Neuroplasticity: Influence of Experience and Learning
• Zoonotic Diseases: Investigating the Role of Wildlife Trade
• Roles of Biotechnology in Sustainable Agriculture
• Bioinformatics: Mining Genomic Data for Insights

Business & Management Extended Essay Topics

• Analyzing Corporate Social Responsibility’s Impact on Brand Image
• Exploring the Role of Leadership Styles in Organizational Efficiency
• Effects of Digital Marketing Strategies on Consumer Behavior
• Profitability Assessment of Renewable Energy Investments
• Roles of Artificial Intelligence in Modern Business Decisions
• Implications of Remote Work Policies on Employee Productivity
• Impacts of Cultural Diversity on Team Performance in Multinational Corporations
• Case Study: Crisis Management Strategies During the COVID-19 Pandemic
• Factors Influencing the Adoption of Sustainable Practices in Small Businesses
• Assessment of the Gig Economy’s Effect on Traditional Employment Models
• Evaluating Supply Chain Efficiency in the E-Commerce Sector
• Influence of Government Regulations on Startup Ecosystems
• Analysis of Gender Equality Policies in Fortune 500 Companies
• Disruption in Retail: The Rise and Impact of Direct-to-Consumer Brands
• Strategies for Managing Employee Turnover in High-Stress Industries
• Privacy Concerns in Data-Driven Business Models: A Risk Analysis
• Examination of Mergers and Acquisitions Strategies in the Tech Industry
• Investigation Into the Success Factors of Family-Owned Businesses
• Decoding the Psychology of Consumer Loyalty in the Digital Age
• Ethical Considerations in Marketing: Case Studies in the Cosmetics Industry
• The Intersection of Corporate Strategy and Environmental Sustainability

Chemistry Extended Essay Topics

• Analyzing the Impact of Temperature Variation on Reaction Rates
• Exploring Chiral Molecules and Their Importance in Pharmaceutical Drugs
• Investigating Quantum Mechanics and Its Role in Chemical Bonding
• Breakdown of Petroleum: Chemical Processes and Environmental Impacts
• Nanotechnology’s Role in Modern Chemistry: An In-Depth Analysis
• Nuclear Chemistry: Unraveling the Secrets of Radioactivity
• Fingerprinting Hydrocarbons: Environmental Implications of Oil Spills
• Synthetic Materials: Innovations in Polymer Chemistry
• Deciphering the Complexity of Enzyme Kinetics
• Quantum Tunneling: Its Crucial Role in Biochemical Reactions
• Corrosion Prevention Techniques: An Electrochemical Perspective
• Superconductors: Unveiling Their Unique Chemical Properties
• Color Chemistry: Unraveling the Mystery Behind Pigmentation
• Examination of Metal-Alloy Interactions in the Production of Coins
• Roles of Catalysts in Industrial Chemical Processes
• Green Chemistry: Its Impact on Sustainable Development
• Influence of Solvent Polarity on Spectroscopic Measurements
• Advanced Battery Technologies: A Chemical Analysis
• Nature’s Chemistry: Unraveling Biochemical Processes in Plants
• Hydrogen Fuel Cells: The Chemistry Behind Clean Energy

Computer Science Extended Essay Topics

• Quantum Computing: Exploring the Potential for Revolutionizing Computer Science
• Ethical Considerations in the Age of Artificial Intelligence
• Evaluating Blockchain Technology: Implications for Data Security
• Unveiling the Complexity Behind Search Algorithms
• Comparing Programming Languages: Performance Analysis of Python vs. Java
• The Impact of Data Mining on E-Commerce Business Models
• Cybersecurity: Strategies for Combating Phishing Attacks
• Machine Learning’s Role in Predictive Analytics
• Exploring Virtual Reality: The Future of Human-Computer Interaction
• Cloud Computing: Assessing Risks and Benefits for Small Businesses
• Optimization Techniques in Database Systems
• The Role of Neural Networks in Image Recognition
• Application of Genetic Algorithms in Problem-Solving
• Cryptography: The Mathematics Behind Secure Communications
• Biometrics: Exploring the Balance Between Security and Privacy
• IoT Devices: Assessing Vulnerabilities and Security Measures
• Deep Learning’s Influence on Natural Language Processing
• Scalability Challenges in Distributed Systems
• Analysis of Memory Management in Operating Systems
• Software Engineering: The Impact of Agile Development Methods
• Augmented Reality: Unleashing New Possibilities in Education

Economics Extended Essay Topics

• Exploring the Economic Consequences of Aging Populations in Developed Nations
• Income Inequality: Investigating Its Impact on Education Accessibility
• Analyzing the Role of Technology in Reducing Unemployment Rates
• Sustainable Development: Economic Considerations in Renewable Energy Adoption
• Fast-Fashion Industry: Unveiling the Hidden Costs of Cheap Clothing
• Economic Repercussions of Pandemics: A Case Study of COVID-19
• Unraveling the Socio-Economic Impacts of Autonomous Vehicles
• Influence of Trade Wars on International Supply Chains
• Internet Access and Its Correlation With Economic Development
• Implications of Artificial Intelligence on Labor Market Dynamics
• Investigating the Interplay Between Cultural Factors and Economic Growth
• Global Tourism: Evaluating the Economic Impact of Over-Tourism on Local Communities
• Assessing the Economic Viability of Space Commercialization
• Analyzing the Impact of Universal Basic Income on Poverty Reduction
• Child Labor in Developing Economies: Long-Term Consequences and Solutions
• Understanding the Economic Implications of Water Scarcity in Arid Regions
• Foreign Aid Effectiveness: A Comparative Study of Recipient Economies
• Digital Divide: Its Economic Ramifications on Rural Communities
• Interpreting the Economics of E-Waste Management and Recycling
• Unpacking the Relationship Between Corruption and Economic Development
• Sports Events and Their Economic Impact: A Case Study of the Olympic Games

English Extended Essay Topics

• Exploration of Symbolism in Harper Lee’s “To Kill a Mockingbird”
• Societal Impacts Revealed Through Charles Dickens’ “Great Expectations”
• Critical Examination of Gender Roles in “Pride and Prejudice”
• Tracing Transformation in Fitzgerald’s “The Great Gatsby”: From Ambition to Disillusionment
• Imagery and Foreshadowing in William Golding’s “Lord of the Flies”
• Empowerment and Oppression: The Dichotomy in “The Handmaid’s Tale”
• The Influence of Romanticism on Wordsworth’s Poetry
• Comparative Analysis of Propaganda Techniques in George Orwell’s “1984” and “Animal Farm”
• Unveiling the Psychological Depths in Edgar Allan Poe’s Short Stories
• Manifestation of Social Class Struggle in Jane Austen’s “Emma”
• Linguistic Evolution: A Study of Shakespeare’s Early and Later Plays
• Dystopian Societies: The Reflection in Aldous Huxley’s “Brave New World”
• Examining Racism and Prejudice in Mark Twain’s “Adventures of Huckleberry Finn”
• Stephen King’s “The Shining”: A Journey Into Human Psyche and Horror
• Absurdism and the Search for Meaning in Albert Camus’ “The Stranger”
• Childhood and Morality: The Innocence Lost in J.D. Salinger’s “The Catcher in the Rye”
• Articulating Feminism: Role and Representation in Virginia Woolf’s “To the Lighthouse”
• Illusion vs. Reality: A Study of Tennessee Williams’ “A Streetcar Named Desire”
• Tracing Cultural Identity in Zora Neale Hurston’s “Their Eyes Were Watching God”
• Analyzing Existential Themes in Franz Kafka’s “The Metamorphosis”
• Contrasting Interpretations of Redemption in Dostoevsky’s “Crime and Punishment”

Environmental Systems & Societies Extended Essay Topics

• Climate Change: Assessing the Shifts in Arctic Ecosystems
• Effectiveness of Sustainable Farming Techniques in Developed Countries
• Evaluating the Consequences of Plastic Waste on Marine Life
• Energy Efficiency: Analysis of Solar Power Systems in Desert Climates
• Assessing the Role of Green Infrastructure in Urban Heat Island Mitigation
• Impacts of Deforestation: A Study on Amazon Rainforest
• Analyzing the Ecological Footprint of Vegan Diets vs. Omnivorous Diets
• Influence of Ocean Acidification on Coral Reef Systems
• Natural Disasters: The Relationship Between Climate Change and Increasing Hurricane Frequency
• Assessing the Sustainability of Electric Vehicles in Reducing Carbon Emissions
• Roles of Wetlands in Maintaining Ecosystem Balance
• The Link Between Population Growth and Water Scarcity in Arid Regions
• E-Waste Management: Strategies and Impacts on the Environment
• Investigating the Environmental Benefits of Vertical Farming Practices
• Biofuels: Evaluating the Feasibility as a Sustainable Energy Source
• Oceanic Plastic Pollution: Exploring Microplastic Accumulation in Seafood
• Impacts of Tourism on Coastal Ecosystems: A Case Study
• Light Pollution: Effects on Nocturnal Wildlife and Possible Mitigation Strategies
• Analysis of Air Quality Variations and Their Implications on Public Health
• Nuclear Power: Evaluation of Risks and Benefits for the Environment
• Sustainable Architectural Practices: Evaluating the Impact on Urban Environments

Ethics Extended Essay Topics

• Balancing Privacy and National Security: An Ethical Perspective
• Ethical Implications of Genetic Engineering: Redefining Human Evolution
• The Morality of Capital Punishment: An Ongoing Controversy
• Euthanasia Debate: Assessing the Right to Die with Dignity
• Animal Rights: Evaluating Ethical Questions in Animal Experimentation
• Consumerism and Ethics: The Moral Implications of Overconsumption
• Medical Ethics: Analysis of Informed Consent in Patient Care
• The Ethical Landscape of Artificial Intelligence: Potential Risks and Rewards
• Environmental Ethics: Interrogating the Moral Considerations in Climate Change
• Unraveling the Ethics of War: Just War Theory in Contemporary Conflicts
• Corporate Social Responsibility: Business Ethics in the 21st Century
• Ethics of Journalism: Truth, Objectivity, and the Public’s Right to Know
• Dissecting the Ethics of Philanthropy: Altruism vs. Self-Interest
• Technological Advances: Ethical Questions Surrounding Biohacking
• Deconstructing the Ethical Dimensions of Climate Change Mitigation
• Human Rights: The Moral Implications of Immigration Policies
• Plagiarism in Academia: An Ethical Dilemma in Intellectual Property
• Cybersecurity and Ethics: Navigating Privacy in the Digital Age
• Societal Standards: The Ethics of Beauty and Body Image in Media
• Globalization: Analyzing the Ethics of International Trade Practices
• Wealth Inequality: The Moral Implications of Income Disparity
• Racial Profiling: An Examination of Ethical Dilemmas in Law Enforcement

Film Extended Essay Topics

• Analyzing Visual Storytelling Techniques in Quentin Tarantino’s Cinematic Universe
• Aestheticization of Violence in Stanley Kubrick’s “A Clockwork Orange”
• Pioneering Special Effects: Evolution in “Star Wars” Franchise
• Socio-Cultural Impact of Bollywood Cinema on Indian Society
• Iconography of Federico Fellini: Surrealism in Italian Cinema
• French New Wave: A Paradigm Shift in Film Aesthetics
• Pervasive Propaganda: Politics and Cinema During the Cold War
• Animated Storytelling: Disney’s Influence on Children’s Perception of Gender Roles
• Documentaries as Social Commentary: An Analysis of Michael Moore’s Works
• Realism and Romanticism: Dichotomy in Jane Austen Film Adaptations
• Postmodernism in David Lynch’s Films: “Mulholland Drive” as a Case Study
• Depiction of Artificial Intelligence in Sci-Fi Movies: Exploring “Ex Machina”
• Changing Portrayal of Vampires in Cinema: From “Nosferatu” to “Twilight”
• Influence of German Expressionism on Tim Burton’s Stylistic Approach
• Transhumanism Explored in the “Matrix” Trilogy: A Philosophical Investigation
• Cinematic Interpretation of Mental Illness: A Study of “A Beautiful Mind”
• Juxtaposing Reality and Fiction: “The Truman Show” and Media’s Power
• Music’s Role in Enhancing Narrative Drama: A Study on “Amadeus”
• Technological Evolution in Cinema: Impact on Movie Experience
• Superheroes and Society: A Critical Look at the Marvel Cinematic Universe
• Ethical Dilemmas in Bioethics Films: Dissecting “Gattaca”
• Silence as a Narrative Device: Examining “A Quiet Place” and Its Sequel

Gender Studies Extended Essay Topics

• Dissecting the Gender Wage Gap: Causes and Solutions
• Queer Theory: Intersectionality and Identity Politics
• Patriarchy and Power: Examining Their Symbiotic Relationship
• Cyberfeminism: The Internet as a Platform for Gender Equality
• Biological Determinism: Challenging Traditional Gender Notions
• Implications of Single-Sex Education on Gender Development
• Gender Stereotypes in Advertising: Impact on Society
• Masculinity in Crisis: Modern Conceptions and Their Consequences
• Sport’s Roles in Shaping Gender Identity
• Influence of Parenting Styles on Gender Socialization
• Reassessing Gender Biases in Language
• Sexuality Education: Navigating Through a Gender Spectrum
• Reproductive Rights: A Battle Ground of Gender Politics
• LGBTQ+ Representation in Literature: Advancement or Stereotype?
• Toxic Masculinity: Its Origins and Impact on Society
• Feminist Movements: Catalysts for Global Gender Equality
• Domestic Roles: Evolution and Gender Associations
• Women in Leadership: Barriers and Breakthroughs
• Fashion Industry’s Role in Reinforcing Gender Norms
• Men’s Rights Movement: Controversial Claims and Their Validity
• Sexual Harassment: A Perennial Issue of Gender Inequality

Geography Extended Essay Topics

• Urbanization’s Effect on Local Biodiversity in Developed Countries
• Understanding the Relationship Between Soil Composition and Crop Yield
• Geopolitical Consequences of Melting Polar Ice Caps
• Impact of Desertification on Sub-Saharan African Nations
• Migration Patterns: Influence of Economic Inequality on Population Shifts
• Roles of Monsoons in South Asian Agriculture
• Spatial Analysis: Technological Advancements in Geographic Information Systems (GIS)
• Sustainable Development: Strategies to Balance Urban Growth and Environmental Preservation
• Geothermal Energy’s Potential: Iceland as a Case Study
• Climate Change’s Effect on Australian Bushfires: A Detailed Investigation
• Analysis of the Physical Features Influencing Japan’s Isolation
• Roles of Rivers in Shaping Ancient Civilizations
• Urban Sprawl and its Ecological Impact on American Cities
• Depletion of the Amazon Rainforest: Causes and Consequences
• Comparative Study on Coastal Management Techniques Around the World
• Seismic Activity Patterns: Evaluating Earthquake-prone Zones Globally
• Deforestation’s Impact on Indigenous Communities in the Amazon Basin
• Hydroelectric Power and Its Environmental Impact: Canada’s Experience
• Geographic Factors Influencing Wine Production in French Vineyards
• Impacts of Climate Change on Traditional Farming Practices in Peru
• Geographic Investigation into the Distribution of Rare Earth Minerals

Health & Nutrition Extended Essay Topics

• Sugary Drinks: Consequences for Adolescent Health
• Assessing the Nutritional Significance of Organic Foods
• Ketogenic Diet: Evaluating Its Effects on Weight Loss
• Childhood Obesity: An Examination of Underlying Causes
• Iron Deficiency: Unveiling the Hidden Global Impact
• Meditation’s Influence on Physical and Psychological Health
• Superfoods: Understanding Their Role in Preventing Chronic Diseases
• Nutrigenomics: Decoding Personalized Nutrition for Optimal Health
• Benefits of Hydration: Unraveling the Science Behind Water Intake
• Sleep Quality: Its Relationship With Nutritional Factors
• The Link Between Mental Stress and Nutrient Absorption
• Microplastics in Seafood: Gauging the Health Implications
• Antioxidants: A Detailed Review of Their Role in Aging
• Gluten-Free Diets: Evaluating Benefits Beyond Celiac Disease
• Genetically Modified Foods: Analyzing Potential Health Risks
• Dairy Consumption: Its Impact on Bone Health
• Dangers of Processed Foods: A Comprehensive Study
• Phytonutrients: Uncovering Their Impact on Human Immunity
• Salt Intake: Assessing Its Relationship With Hypertension
• Whole Grains: Exploring Their Influence on Digestive Health

History Extended Essay Topics

• Unveiling the Mysteries of the Mayan Civilization: An In-Depth Analysis
• Comparing the Imperial Policies: British Empire vs. Spanish Empire
• The Paris Commune of 1871: Catalyst for Revolutionary Movements
• Roman Influence on Modern Western Architecture: A Comprehensive Study
• Reformation Movements: Shaping the Modern Christian Faith
• Influence and Legacy of Napoleon Bonaparte in European Politics
• African Cultures: A Study on Pre-Colonial Kingdoms
• Shogunate Rule: The Feudal System of Japan
• Enlightenment Philosophers: Revolutionizing European Thought
• Rise of the Ottoman Empire: Factors and Consequences
• Evolution of Warfare: A Study From the Middle Ages to World War I
• French Revolution: Causes, Impacts, and Lessons
• American Civil War: Interpreting Slavery’s Role
• Silk Road Influence on East-West Cultural Exchange
• Decoding the Holocaust: Analyzing Its Global Repercussions
• Mongol Empire’s Impact on Eurasian Trade and Communication
• Exploration of Mesoamerican Cultures: Aztecs, Mayans, and Incas
• Witch Trials in Europe: A Reflection of Fear and Superstition
• Cold War: Unraveling the Ideological Tensions Between East and West
• Korean War: Assessing Its Long-Term Effects on the Korean Peninsula
• Vietnam War: Evaluating the Domestic Uprisings in the United States
• World War II: Dissecting the Causes and Global Impact

Literature Extended Essay Topics

• Examining the Role of Femininity in Jane Austen’s “Pride and Prejudice”
• Comparing the Depiction of War in Ernest Hemingway’s “Farewell to Arms” and Erich Maria Remarque’s “All Quiet on the Western Front”
• Exploration of the Hero’s Journey in J.R.R. Tolkien’s “Lord of the Rings”
• Insights Into Absurdism Through Albert Camus’s “The Stranger”
• Assessment of Revenge Themes in Alexandre Dumas’s “The Count of Monte Cristo”
• Interpretation of Colonialism in Joseph Conrad’s “Heart of Darkness”
• Gothic Elements in Bram Stoker’s “Dracula”: A Thorough Investigation
• Analyzing the American Dream Through F. Scott Fitzgerald’s “The Great Gatsby”
• Uncovering Identity Conflicts in Alice Walker’s “The Color Purple”
• Influences of Victorian Society on Charles Dickens’s “Great Expectations”
• Analyzing Magical Realism in Gabriel García Márquez’s “One Hundred Years of Solitude”
• Exploring Environmental Themes in Rachel Carson’s “Silent Spring”
• Thematic Analysis of Isolation in Mary Shelley’s “Frankenstein”
• Examination of Satire in Jonathan Swift’s “Gulliver’s Travels”
• Dissecting Themes of Racism in Harper Lee’s “To Kill a Mockingbird”
• Investigating Futurism in Aldous Huxley’s “Brave New World”
• Studying the Role of Individualism in Ayn Rand’s “Atlas Shrugged”
• Evaluating Paranoia Themes in George Orwell’s “1984”
• Scrutinizing the Dystopian Elements in Margaret Atwood’s “The Handmaid’s Tale”
• The Symbolism of Nature in Emily Bronte’s “Wuthering Heights”
• Decoding Absurdist Elements in Samuel Beckett’s “Waiting for Godot”
• Assessing the Role of Love in William Shakespeare’s “Romeo and Juliet”

Mathematics Extended Essay Topics

• Fractal Geometry: Exploring Patterns in Nature
• Game Theory: Predictive Models in Economics and Politics
• Evolution of Calculus: Integral Role in Scientific Developments
• Knot Theory: Mathematical Implications for DNA Structures
• Probability Theory: Influence on Decision-Making Processes
• Quantum Computing: Role of Linear Algebra
• Hyperbolic Geometry: Implications for Theoretical Physics
• Topology: Mathematical Basis of M.C. Escher’s Artworks
• Mathematical Logic: Gödel’s Incompleteness Theorems
• Fibonacci Sequence: Presence and Significance in Natural Phenomena
• Graph Theory: Applications in Social Network Analysis
• Chaos Theory: Predicting Weather Patterns
• Number Theory: Exploring Twin Prime Conjecture
• Complex Numbers: Quantum Mechanics Applications
• Euler’s Formula: Linking Five Fundamental Mathematical Constants
• Riemann Hypothesis: Consequences for Prime Number Distribution
• Mathematical Modelling: Predicting Population Dynamics
• Set Theory: Examining the Continuum Hypothesis
• Lie Groups: Role in Particle Physics
• Non-Euclidean Geometry: Revolutionizing Perception of Space
• Algebraic Topology: Insights Into Data Analysis

Media Studies Extended Essay Topics

• Digital Divide: Socio-Economic Impacts on Information Access
• Deepfake Technology: The Challenge to Media Authenticity
• Print to Digital: Evolution of Newspapers in the 21st Century
• Artificial Intelligence in Journalism: Benefits and Pitfalls
• Film Adaptations: Interpretation vs. Original Text
• Cyberbullying: The Dark Side of Social Networks
• Body Image: Media Representation and Its Impact on Adolescents
• Fake News Phenomenon: The Influence on Public Opinion
• Memes and Virality: The New Language of Digital Media
• Reality Television: Exploration of Cultural Impact
• Cinematic Representations of Historical Events: Accuracy vs. Dramatization
• Podcasting Boom: Rise and Influence in Modern Media
• Streaming Wars: The Impact on the Television Industry
• Photojournalism Ethics: The Power of Images in News Media
• Music Piracy: Effect on the Music Industry in the Digital Age
• Animation as an Art Form: Impact and Acceptance in Mainstream Media
• Advertising Psychology: Subliminal Messages in Modern Marketing
• LGBTQ+ Representation in Television: Progress and Backlash
• Roles of Women in Film: Progress in Gender Equality
• Video Games as Storytelling Medium: Narrative and Player Interaction
• Comic Book Culture: From Niche to Mainstream Media
• Influence of Western Media on Global Pop Culture: The Hollywood Impact

Music Extended Essay Topics

• Classical Compositions: Influence of Bach’s Techniques on Modern Music
• Psychoacoustic Effects: Music’s Influence on Human Behavior
• Sonic Landscaping: The Use of Atmospherics in Ambient Music
• Lyrics’ Roles: Expressing Social Issues Through Hip-Hop
• Beethoven’s Symphonies: Revolutionary Techniques and Their Influence
• Harmonization in Jazz: Unpacking Coltrane’s Unique Approaches
• Vivaldi’s Four Seasons: Examination of Baroque Music Style
• Sonic Influence: Music’s Role in Cinematic Narratives
• Opera’s Evolution: Tracing the Shift From Baroque to Romantic Period
• Cross-Cultural Influences: Examining Salsa’s African and European Roots
• K-Pop Phenomenon: Analyzing Its Global Impact
• Musical Iconography: Symbolism in Mozart’s Operas
• Dissecting Punk: Deconstructing Its Socio-Political Messages
• Rhythm Development: West African Influence on American Blues
• Genre Fusion: Exploration of Reggae’s Influence on Hip-Hop
• Melodic Intricacies: Debussy’s Revolutionary Approach to Music
• Grunge Revolution: Examination of Seattle’s Music Scene in the 90s
• Mystical Allure: The Role of Spirituality in Gospel Music
• Compositional Innovations: Understanding Schoenberg’s Atonality”
• Artistry Unveiled: The Impact of Visual Elements in Album Art
• Technology’s Role: The Emergence and Impact of Electronic Dance Music

Philosophy Extended Essay Topics

• Significance of Nietzsche’s Will to Power: A Deep Exploration
• Descartes and the Philosophy of Mind: An Analytical Approach
• Aristotle’s Virtue Ethics: A Modern Appraisal
• Unveiling the Metaphysical Implications of Quantum Physics
• Phenomenology and the Essence of Human Experience
• Kant’s Categorical Imperative: Critical Re-Evaluation
• Embodying Freedom: Sartre’s Existentialism and Its Relevance Today
• Dialectics of Hegel: Deciphering Complexities
• Simulacra and Simulation: Baudrillard’s Postmodern Reality
• Unraveling Wittgenstein’s Language Games: A Thorough Analysis
• Schopenhauer’s Concept of Will: An In-Depth Study
• Quandaries of Free Will: Revisiting Determinism
• Spinoza’s Pantheism and Its Contemporary Implications
• Habermas’ Communicative Action: A Practical Appraisal
• Uncovering Rawls’ Theory of Justice: A Critical Review
• Political Power and Machiavelli’s “The Prince”: An Exploration
• Utility and Morality: Assessing Bentham’s Utilitarianism
• Exploring Heidegger’s Being and Time: Existentialism and Ontology
• Stoicism in the Modern World: A Comprehensive Analysis
• Feminism Through the Lens of Simone de Beauvoir
• Epistemology Unveiled: Understanding Locke’s Theory of Knowledge
• Poststructuralism: Decoding Derrida’s Deconstruction

Physics Extended Essay Topics

• Analyzing Black Holes: Their Formation, Structure, and Effects on Space-Time
• Quantum Entanglement: Unveiling the Intricacies of Particle Relationships
• The Higgs Boson: Its Role and Significance in the Standard Model
• Exploration of Dark Matter: Implications for Galactic Formations
• Light Speed Variability: Investigating Possible Factors and Consequences
• Stellar Evolution: A Detailed Study of Star Lifecycles
• Effects of Quantum Tunneling on Microscopic Scales
• Thermodynamics in Isolated Systems: Deepening the Understanding
• Relativity Theory: Delving Into Its Consequences on Space Travel
• Solar Flares: Their Impact on Earth’s Magnetic Field
• Neutrino Oscillations: Dissecting Their Quantum Mechanical Phenomena
• Fusion Energy: Examining Its Feasibility and Potential Impact
• Electromagnetism in Quantum Optics: Unraveling the Relations
• Tidal Forces: Their Role in Celestial Body Interactions
• Plasma Physics: Analyzing the Fourth State of Matter
• Gravitational Waves: Their Detection and Implications
• String Theory: Evaluating Its Contribution to Modern Physics
• Bose-Einstein Condensate: Investigating Its Unique Properties
• Cosmic Microwave Background Radiation: Decoding the Echoes of the Big Bang
• Nanotechnology: The Role of Physics in Its Evolution
• Quantum Gravity: Scrutinizing the Unification of Quantum Mechanics and General Relativity

Politics Extended Essay Topics

• Evaluating the Political Consequences of Climate Change Policies
• Dissecting the Impact of Brexit on European Union Stability
• Unearthing the Causes of Political Apathy Among Millennials
• Cybersecurity Threats and Their Influence on Global Politics
• Immigration Policies: Evaluating Their Socio-Political Impact
• Intersectionality and Its Effect on Contemporary Political Discourse
• Trade Wars: Unraveling Their Economic and Political Implications
• Roles of Women Leaders in the Pursuit of Global Peace
• Impacts of Corruption on Developing Economies’ Political Stability
• Scrutinizing the Role of Lobbying in American Politics
• Influence of Religion on Middle Eastern Politics
• Investigating the Political Aftermath of Major Terrorist Attacks
• The Nexus Between Climate Justice and Political Activism
• Effects of Political Satire on Public Perception of Politicians
• Decolonization and Its Long-Term Political Impact in Africa
• Analyzing the Relationship Between Military Spending and International Relations
• Diplomacy in the Nuclear Age: Assessing Its Efficacy
• Unpacking the Political Implications of the Rise of Artificial Intelligence
• Evaluating the Consequences of Resource Scarcity on International Politics
• Political Autonomy Movements: Exploring Their Causes and Effects

Psychology Extended Essay Topics

• Perception of Reality: Influence of Social Media on Adolescents
• Cognitive Development: The Role of Play in Early Childhood
• Emotional Intelligence: An Examination of Its Impact on Leadership
• Biopsychology: Understanding the Effects of Sleep Deprivation on Mental Health
• Cultural Variations: Impact on Interpersonal Communication Styles
• Parenting Styles: Their Consequences on Child Behavior and Development
• Depression in Adolescents: Exploring the Impact of Social Isolation
• Post-Traumatic Stress Disorder: Efficacy of Different Treatment Approaches
• Behavior Analysis: Autism Spectrum Disorder and Applied Techniques
• Music Therapy: Evaluating Its Effectiveness in Managing Anxiety
• Bystander Effect: Analysis of Underlying Psychological Mechanisms
• Psycholinguistics: The Role of Language in Cognitive Processes
• Understanding the Psychology of Eating Disorders: Anorexia Nervosa and Bulimia
• Psychotherapy Approaches: Exploring Efficacy in Treating Obsessive-Compulsive Disorder
• Humanistic Psychology: Examining Its Applications in Modern Psychotherapy
• Consequences of Chronic Pain: A Study on Psychological Adaptation
• Stereotypes and Prejudice: Exploring Their Origins and Effects
• Memory: How Traumatic Events Influence Recall
• Nature vs. Nurture: The Debate in Personality Development
• Body Dysmorphic Disorder: Unpacking Its Psychological Impact
• Influences of Environment and Genetics on Intelligence Quotient (IQ)
• Romantic Relationships: Understanding Attachment Styles and Their Effects

Sociology Extended Essay Topics

• Globalization’s Influence on Traditional Cultural Practices
• Assimilation versus Multiculturalism: An Exploration in Contemporary Societies
• Intersectionality and Its Role in Modern Feminism
• Educational Inequality: The Socio-Economic Factors at Play
• Effects of Income Inequality on Community Health Outcomes
• Cyberbullying’s Pervasiveness and Its Societal Consequences
• Pop Culture’s Shaping of Youth Identity
• Urbanization’s Effect on Community Structure and Social Interaction
• Racial Stereotypes in Media: A Comprehensive Analysis
• Deviance and Crime: Sociological Perspectives on their Roots
• Marriage Patterns Among Different Socio-Economic Classes
• The Role of Religion in Structuring Modern Societies
• Refugees’ Integration Into Host Societies: Barriers and Facilitators
• Disparity in Healthcare Access: The Underlying Social Causes
• The Digital Divide: Exploring Socio-Economic Factors and Consequences
• LGBTQ+ Rights Movement: Progress and Remaining Challenges
• Changing Gender Roles in the 21st Century
• Post-Industrial Society’s Influence on the Family Structure
• Media Representation of Marginalized Groups: Impact and Implications
• Ethnic Identity Formation within Diaspora Communities
• Prison System’s Effect on Social Stratification

Visual Arts Extended Essay Topics

• Interpreting Symbolism in Renaissance Portraiture
• Dissecting Minimalism: Impact on Contemporary Visual Art
• Cubism’s Influence on Modern Design Aesthetics
• Photorealism: Technique, Challenges, and Impact
• Juxtaposing Abstract and Realism in Visual Art
• Byzantine Mosaics: Preservation and Symbolism
• Impressionism: Affecting Viewer Perception Through Brushwork
• Mural Graffiti: Socio-Political Messages in Street Art
• Surrealism’s Roles in Challenging Reality Perception
• Ephemeral Art: Exploring Its Transience and Significance
• Pop Art’s Reflection on Consumer Culture
• Stained Glass: Religious Iconography and Aesthetics
• Postmodernism’s Critique of Traditional Art Theories
• Disruptive Power of Dadaism in the Early 20th Century
• Pointillism’s Manipulation of Optical Mixing
• Kinetic Sculpture: Dynamic Movement in Static Forms
• Fauvism’s Bold Use of Color and Form
• Romanticism’s Depiction of Nature and Emotion
• Neoclassicism: Celebrating Antiquity Through Visual Art
• Feminist Art: Challenging Patriarchy and Stereotypes
• Video Art: Exploring Temporality and Narration
• Indigenous Art: Preservation of Cultural Heritage Through Visual Expression

World Religion Studies Extended Essays Topics

• Analyzing Confucianism’s Impact on Chinese Social and Political Structures
• The Intersection of Spirituality and Mental Health: Perspectives From Various Religious Traditions
• The Role of Rituals in Indigenous African Religions: An Anthropological Approach
• Liberation Theology: Examining Christianity’s Influence on Social Justice Movements
• Afterlife Concept in Ancient Greek and Norse Mythology
• Exploring the Symbolism of Mandalas in Tibetan Buddhism
• Religious Syncretism in Latin America: Blending Indigenous and Catholic Beliefs
• Significance of Pilgrimage in Christianity, Islam, and Hinduism
• The Impact of Taoism on Traditional Chinese Medicine
• Music and Chanting in Religious Rituals: Comparative Analysis
• Sufism: Mystical Dimensions of Islam
• Karma in Hinduism and Buddhism: A Comparative Study
• Religious Iconography’s Influence on Artistic Expression
• Cultural Identity Fostered by Religious Festivals
• Historical Development of Sikhism and Its Teachings
• Animal Rights Ethics: Perspectives From Different Religions
• Prophecy in Abrahamic Religions: Judaism, Christianity, and Islam
• Rites of Passage: Comparative Analysis of Coming-of-Age Ceremonies
• Evolution of Religious Tolerance in Western Societies
• Influence of Zen Buddhism on Japanese Tea Ceremony
• Divine Love in Christianity, Hinduism, and Sufism

To Learn More, Read Relevant Articles

353 Hamlet Essay Topics & Ideas

• 26 July 2023

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IB Extended Essay: Past Essays

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• Language & literature (language A)
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English a & b ee examples.

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Visual Arts EE Examples

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Film EE Examples

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World Studies EE Examples

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World Studies Extended Essay: Global Themes

• Introduction
• Getting Started
• Global Themes
• Interdisciplinary Research
• What Makes Up a "Discipline"?
• Evaluating the Insights of Academic Disciplines
• Multiple Forms of Integration
• Evaluating Your Essay
• Common Stumbling Blocks
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World Studies Global Themes

Conflict, peace, and security Culture, language, and identity Environmental and/or economic sustainability Equality and inequality Health and development Science, technology and society

Conflict, peace, and security

Culture, language, and identity, environmental and/or economic sustainability, equality and inequality, health and development, science, technology and society, wsee documents.

WSEE Subject Guide and worksheets

• IB EE Subject Guide - World Studies, 2018
• Making Meaningful Connections Use this worksheet to help you think about your research plans: the concepts or methods your will be using, the global topic you're focusing on, and the academic disciplines you will be using.

RRS (Researcher's Reflection Space)

• Sample Prompts for the WSEE RRS What should you write in your RRS? Use these questions and prompts to help you think through the various stages of the research for your WSEE: your initial ideas, your thoughts and reflections during the process, and your conclusions.
• RRS Example B - World Studies

RPPF (Researcher's Planning and Progress Form) examples:

• RPPF Example 5 - World Studies
• RPPF Example 7 - World Studies

IB Extended Essay Guide & Timeline

Check the Extended Essay guide for specific guidance on completing the various steps in the research and writing process of the EE, and  these documents:

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