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 !
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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
7. independent Research
8. Write the extended essay draft
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?
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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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 .
2022 IB Exam Changes Due to COVID-19
Because of the ongoing COVID-19 (coronavirus) pandemic, the IB has decided to extend the adaptations which were put in place for 2021 to 2022. May 2022 IB assessments will have two routes, exam and non-exam, depending on which your school chooses. Stay up to date with the latest information on what this means for IB diplomas, course credit for IB classes, and more with our our IB COVID-19 FAQ article .
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
- 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.
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 second draft of 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 page 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.
- Chemistry 1
- Chemistry 2
- Chemistry 3
- Geography 1
- Geography 2
- Geography 3
- Mathematics 1
- Mathematics 2
- Mathematics 3
- Mathematics 4
- Philosophy 1
- Philosophy 2
- Philosophy 3
- Philosophy 4
- Psychology 1
- Psychology 2
- Psychology 3
- Social and Cultural Anthropology 1
- Social and Cultural Anthropology 2
- Visual Arts 1
- Visual Arts 2
- Visual Arts 3
- Visual Arts 4
- World Religion 1
- World Religion 2
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Extended Essay Writers
Biology EE Topics | 40 Ideas
There are many potential topics for a biology Extended Essay (EE) in the International Baccalaureate (IB) program.
Some possibilities include the following:
- The effects of pollution on a particular species or ecosystem.
- The genetic basis of a specific disease or trait.
- The comparative physiology of a specific mammal and bird.
- The effects of climate change on a particular species or ecosystem.
- The impact of human activity on the evolution of a species.
- The physiology of a specific plant species.
- The efficacy of a specific medicinal plant.
- The comparison of the anatomy and physiology of a specific animal species in captivity and in the wild.
- The impact of a specific invasive species on an ecosystem.
- The effect of different fertilizers on the growth and development of a specific plant species.
- The study of the symbiotic relationship between specific species.
- The effect of different light conditions on the growth and development of a specific plant species.
- The impact of different temperature conditions on the physiology of a specific microorganism.
- The study of the genetic diversity within a specific species.
- The study of the effects of different pH levels on the growth and development of a specific plant species.
- The impact of human activity on the population dynamics of a specific species.
- The study of the effects of different soil types on the growth and development of a specific plant species.
- The study of the impacts of different pesticides on the physiology of a specific species.
- The study of the effects of different water conditions on the growth and development of a specific plant species.
- The study of the impact of ocean acidification on the physiology of a specific marine species.
- Studying the Effects of Acid Rain on Local Flora.
- The Role of Gut Microbiota in Obesity.
- Influence of Insecticides on Honey Bee Population Decline.
- The Effects of Microplastics on Aquatic Food Chains.
- The Role of Genetics in Determining Human Lifespan.
- Influence of Habitat Loss on the Genetic Diversity of a Specific Species.
- The Effects of Light Pollution on Nocturnal Animals.
- A Comparative Study of Photosynthesis Rates in Different Plant Species.
- The Impact of Noise Pollution on Avian Communication.
- Analysis of Biological Controls for Invasive Species.
- The Effects of Diet on the Gut Microbiota.
- Understanding the Effect of Climate Change on Disease Vectors.
- Exploring the Role of Genetics in Athletic Performance.
- Effects of Pharmaceuticals on Aquatic Ecosystems.
- The Impact of Urbanization on Local Bird Species.
- Understanding the Relationship Between Sleep and Immune Function.
- Studying the Effects of Air Pollution on Lichen Species.
- The Role of Epigenetics in Aging.
- The Effect of Vegan and Vegetarian Diets on the Human Body.
- Investigating the Biological Mechanisms of Meditation and Mindfulness.
It’s important to note that these are just examples of topics for your IB EE in Biology . You should choose a topic that interests you and that you can find enough information on.
Need help with your Biology extended essay?
From research and analysis to structuring and editing, our skilled mentors will be by your side, helping you craft an exceptional extended essay that not only meets the stringent IB criteria but also reflects your passion for Biology studies.
Additionally, it’s essential to consult with your supervisor to make sure the topic meets the requirements of the Extended Essay and that you have access to the necessary resources to complete the research.
Students can use these themes in their essays by researching and analyzing the specific topic, providing evidence and examples to support their claims, and discussing the implications and potential solutions to the issue at hand.
For example, in an essay on the effects of pollution on a particular species or ecosystem, a student could research the specific pollutants that are affecting the species or ecosystem, analyze the effects those pollutants are having, and discuss potential solutions to mitigate the pollution and its effects.
These are experiments students can use for Biology EE topics:
- Looking at how pollution impacts a certain type of animal or plant: This would involve checking out pollution levels in a specific place, then watching to see how it affects your chosen species.
- Understanding how certain genes affect a disease or characteristic: This would mean doing genetic tests to identify the genes involved, and potentially using genetic engineering techniques to change those genes and see what happens.
- Comparing how a mammal and a bird work: You’d do experiments to see how your chosen mammal and bird are similar or different. You could look at things like brain structure, behaviour, and thinking abilities.
- Exploring how climate change impacts a certain animal, plant, or ecosystem: This could involve experiments to see how changes in temperature, rain patterns, or CO2 levels affect your chosen species or ecosystem.
- Studying how people’s actions affect how a species evolves: This might mean looking at how things like habitat destruction, hunting, or pollution impact a species’ genetic diversity and population.
- Looking at how a certain plant works: You’d do experiments to see how the plant responds to things like light, temperature, or water.
- Studying how well a medicinal plant works: You’d do experiments to see how good the plant is at killing or slowing the growth of microbes, or reducing pain or inflammation.
- Comparing a certain animal in captivity and in the wild: You’d look at how being in captivity affects the animal’s body and how it works, and how it behaves.
- Seeing how an invasive species affects an ecosystem: You’d study how your chosen invasive species impacts the growth, reproduction, and health of native species.
- Studying how different fertilizers affect a plant: This could involve testing different types of fertilizers to see how they affect the plant’s growth rate, leaf size, and health.
- Looking at how certain species interact: You’d do experiments to understand the relationship between the species. This could involve seeing what happens when you remove one species, or how different environments affect the relationship.
- Studying how light affects a plant: This might mean doing experiments to see how different light conditions affect the plant’s growth, leaf size, and health.
- Looking at how temperature affects a microorganism: You’d do experiments to see how different temperatures impact the microorganism’s growth rate, metabolism, and health.
- Studying genetic diversity in a species: This could involve using genetic markers to identify genetic variations in the species, and then seeing how these variations affect the organism.
- Looking at how pH levels affect a plant: You’d do experiments to see how different pH levels impact the plant’s growth, leaf size, and health.
- Studying how people’s actions affect a species’ population: This might mean looking at how things like habitat destruction, hunting, or pollution impact the species’ population size, growth rate, and health.
- Looking at how soil types affect a plant: This could involve doing experiments to see how different types of soil affect the plant’s growth, leaf size, and health.
- Studying how pesticides affect a species: This might mean doing experiments to see how different pesticides impact the species’ growth, reproduction, and health.
- Looking at how water conditions affect a plant: You’d do experiments to see how different water conditions (like availability, salt levels, or temperature) affect the plant’s growth, leaf size, and health.
- Studying how ocean acidification affects a marine species: This could involve doing experiments to see how increasing acidity levels impact the species’ growth, reproduction, and health.
Additionally, in an essay on the comparative psychiatry of a specific mammal and bird, a student could research and compare the brain structures, behaviors, and cognitive abilities of the two species and discuss any similarities and differences found.
A student can ask for help from a writing service if they need assistance with their essay. This can bring several benefits to the student, such as:
- Professional guidance . Writing services often have experienced writers and editors who can provide guidance on the essay topic and structure, as well as help with research and editing.
- Improved quality . A writing service can help improve the overall quality of the essay, including grammar, punctuation, and formatting.
- Better grades . With the help of a writing service, a student’s essay is likely to be of higher quality, which can lead to better grades.
- Time-saving . A writing service can help save time as the student can focus on other responsibilities while the writing service works on the essay.
- Customization . Writing services can also provide a customized service that can be tailored to the student’s specific needs and requirements.
- Originality . Professional writers will provide original work that is free from plagiarism, which is important in academic writing.
It is important to note, however, that a student should always ensure that the writing service they use is reputable and that they review and understand the work they receive before submitting it as their own.
Luke MacQuoid has extensive experience teaching English as a foreign language in Japan, having worked with students of all ages for over 12 years. Currently, he is teaching at the tertiary level. Luke holds a BA from the University of Sussex and an MA in TESOL from Lancaster University, both located in England. As well to his work as an IB Examiner and Master Tutor, Luke also enjoys sharing his experiences and insights with others through writing articles for various websites, including extendedessaywriters.com blog
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The extended essay is an independent, self-directed piece of research, finishing with a 4,000-word paper.
One component of the International Baccalaureate® (IB) Diploma Programme (DP) core, the extended essay is mandatory for all students.
Read about the extended essay in greater detail.
You can also read about how the IB sets deadlines for the extended essay , find examples of extended essay titles from previous DP students and learn about the world studies extended essay .
Learn more about the extended essay in a DP workshop for teachers .
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Find out about what each subject offers within the Diploma Programme (DP).
Our DP subject briefs—for both standard and higher level—contain information about core requirements, aims and assessment.
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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
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- Individuals & Societies: History
- Individuals & Societies: Psychology
- Language Acquisition
- Language and Literature
- Sciences: Biology
- Sciences: Sports, Exercise, and Health Sciences
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- Assessment Criteria
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
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.
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.
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.
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What I learned from messing up my biology extended essay
Each year we invite IB alumni to share their experiences, interests and advice with our global community in the graduate voices series. We welcome Diploma Programme (DP) graduate Lim Hui Yuan to share some tips and advice to DP students completing their extended essays after completing her DP education at Hwa Chong International School .
By Lim Hui Yuan
I’m sure all the current and past IB students know the hardship of completing an Extended Essay (EE). And for those who are not familiar with EE, it is actually “ an independent, self-directed piece of research ”, which culminates into a 4,000-word paper.
To many (including me), EE was a real boot camp training because of the effort and tenacity it requires one to possess. Well, it was quite daunting a time for me, BUT—I have to admit that I learned a lot from messing up my project. Looking back, the nine months I spent on my EE was indeed an endurance experience.
Here are my takeaways from almost failing my Biology EE. Some of them might be relevant to other EE subjects, but they mainly revolve around the challenges I personally faced.
Knowing what you’re interested in isn’t always that easy
They always say, “follow your heart”
“Pick a project topic that you are interested in.”
Sometimes, we might not even know what our heart wants and where our interests actually lie. We students face a dilemma when choosing an EE subject or topic in the same way we are confused when standing at the junction of deciding which university path to choose.
There is a plethora of topics that we could work on, but not all of them could keep us motivated for more than half a year. I chose, “The Efficacy of Natural Plant Extracts and Commercial Disinfectants in Reducing Bacterial Growth.”
I like to think of it like becoming a gardener. Your project starts off small, you have to nurture it, and once the research topic is settled, it just keeps growing. In the end, you’ll have an EE that has grown from just a tiny seed into a big plant you are really proud of.
Nevertheless, I came to realise that no matter what topic you choose, as long as you pour your heart into it, you will not regret the outcome.
Asking yourself, “ why do I want to do this project?” helps to keep you on the right track (even if the answer was “to get a good grade”).
Failing is more common than succeeding
After diving into my biology EE, I realised how easy it was to carry out experiments in class compared to conducting your research project. There’s no lab manual you can simply refer to. Instead, you have to create your own recipe , adapting from previous work. And since it’s your own custom-made experiment, you can never predict how the results will turn out.
As much as you try to fix the controlled variables, it seems like you can’t control the outcome of the study.
In my case, I expected some of the plant extracts to show antibacterial properties. However, I underestimated how mischievous the bacteria can be, contaminating all my plant samples.
I took the success of the experiment for granted.
This bump went on for over five months. At one point, I was so traumatised by the lack of progress that I couldn’t bring myself into the lab. Frustrated and drained, I was on the verge of giving up.
Here’s when you should take a breather to flush away the negative emotions and reset everything—including your impression of the project itself.
Learn to move on
Just as the wise Ryan Higa mentioned, “ here’s a bridge; now, get over it ”.
Whatever will happen has happened and all you can do is to move on.
After getting yourself ready for a fresh start, you should turn on troubleshoot mode and make amendments to your procedures. Try to pinpoint the problem and then search for plausible solutions to tackle it. The trial and error method is the only way!
Imagine beginning to piece a puzzle together; you usually know what the big picture looks like first before connecting the parts. The same applies to your EE. Plan ahead.
Set mini-deadlines as you draft your action plan. The timeline is essential so that you don’t feel too overwhelmed by a load of work (especially when you have a month left to write your EE after getting your results, which was exactly my case).
Be careful not to be too optimistic with the progress of your experiments. I expected and planned that mine would take at most two months to finish, but I completely neglected some time factors such as time needed for the bacteria to incubate, to make the agar plates, the opening hours of the lab (which leaves me only a few hours after school), and of course , failures.
You may have a supervisor to nag you about your EE progress. However, once you’re out of high school, nobody will be there to alarm you and snoozing off will cost you more than just your grades.
You’re not alone on this
If it weren’t for my EE supervisor and friends, I would’ve given up.
My EE supervisor kept encouraging me and taught me how to endure an initial lack of results, and I’ve learned since then that this is actually a norm of scientific research . One of my best friends, who was also doing a biology EE, took his time to teach me how to write a biology EE amidst his busy schedule (you know who you are, thank you!).
Remember to discuss your difficulties to your advisor or friends; they’ll be your pillar of support.
EE is not only here to prepare you for undergraduate research, but also provide a resilient attitude for life, in general.
Honestly, I’m quite grateful that I faced so many problems during the process. It feels like playing a game with many obstacles and overcoming each hurdle leads you to a higher-level ranking. I am, by no means, a “Legend”, but I’ve certainly passed the “Rookie” level.
P.S. Remember to pat yourself on the back after completing your EE. After all, you’ve shed blood, sweat and tears into raising your seedling into a plant.
Lim Hui Yuan is a graduate of Hwa Chong International School , Singapore. She is currently pursuing her degree in science, specifically a major in Molecular Biology and Biotechnology, at the University of Hong Kong. She likes to experiment with new things and loves dancing and cooking. Also, you can find her binge-watching dramas most of the time.
To hear more from Diploma Programme (DP) graduates check out these IB programme stories. If you are an IB grad and want to share your story, write to us at [email protected]. We appreciate your support in sharing IB stories and invite you to connect with us on LinkedIn , Twitter and now Instagram !
If you enjoyed this story, consider reading more below:
#alumnistory , Graduate Voices , Top stories
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Biology EE Topics: How to Choose, Plus Good Examples
by Antony W
September 3, 2022
Have you scoured the web for Biology EE topics but came out empty? Or maybe you’ve considered writing an EE in the subject but you still have no idea what to focus your research on?
You’ve come to the right place.
In this guide, you’ll learn how to choose the best biology extended essay topic to explore in your assignment. In addition, we’ll give you some topic ideas as well as teach you how to treat the topic you choose.
What’s the Purpose of a Biology Extended Essay?
An extended essay in biology allows you to apply biological knowledge while conducting research on a topic of personal interest within the area of biology.
A concentration on biology within the framework of a broader scientific research is what defines the nature of a biology extended essay.
How to Choose Biology EE Topics
The following are important considerations to make when selecting a topic for your biology extended essay:
1. Select a Topic Focusing Strictly on Biology
Biology is the scientific discipline concerned with living beings and biological processes. Therefore, a biology extended essay should contain biological theory and underline the subject's fundamental character.
It is essential that the emphasis of the extended essay be clearly biological and not more closely connected to another subject.
Although identical grading criteria apply to all extended essays in the experimental sciences, the topic you choose for a biology extended essay must provide a distinct biological perspective.
2. Avoid Topics That May Cause Harm
Certain topics are inappropriate for research due to ethical concerns. Investigations based on trials that are likely to cause pain or needless stress to living beings are ineligible for submission.
Investigations that are likely to have a negative impact on health, such as microorganism cultivation at or near body temperature, or that may require access to or release of personal medical information are inappropriate.
Some topics may not be acceptable for examination due to safety concerns.
You need to avoid experiments involving the use of poisonous or hazardous chemicals, carcinogenic compounds, or radioactive materials, unless proper safety equipment and trained supervision are available.
3. Avoid Obvious Topics
Other topics may be inappropriate because the conclusion is already well known and documented in standard textbooks.
Biology Extended Essay Writing Help
Are you finding Biology Extended Essay topic selection process tedious? Have you selected a topic but have no idea how to proceed?
Or maybe you have other overwhelming assignments waiting for you and you can’t find the time to complete an EE in this subject?
We’re here to help.
You can buy an EE in Biology online from Help for Assessment and get professional writing help within your time limit Whether you have a week left before submitting your first draft or you’re planning to attend the last reflection meeting to present your final draft, our writers are here to help.
Our writing service involves topic selection, preliminary research, development of a research issue, and writing and editing.
The topic we select is strictly within Biology, and we come up with research issues that we can address within the scope of the Biology Extended Essay assignment.
10+ Biology Extended Essay Topics
The following are 20+ examples of Biology Extended Essay topics. You can pick a topic from the list, modify it further, and share it with your supervisor for review.
Or you can use this list as an inspiration to help you come up with a topic that would suit your research.
- Determine the link between the growth hormone indole acetic acid and the growth of X.
- How much do living cultures in dairy products such as milk, yoghurt, and cheese lower the lactose content after 2 hours of incubation?
- The connection between photoreceptor cells in the human retina, “age, and gender."
- Are commercial techniques of oral rinse (mouthwash) more efficient at preventing the growth of Micrococcus luteus than traditional methods of oral hygiene?
- Which of hand sanitizer, hand soap, or antibacterial wipes inhibits the development of E. coli the most effectively?
- Investigating the time necessary for two distinct species of tadpoles to attain metamorphic climax from the pre-metamorphosis stage at four different temperatures
- How much does a 2-hour incubation at 37°C lower the lactose content in yogurts containing live cultures?
- The effect do different light combinations on the movement of red-eared sliders, in relation to the position of the light sources.
- What is the prevalence of nasal carriage of Staphylococcus aureus among kids at Tanglin Trust School, and what are the related risk factors?
- Investigate the antibacterial effects of copper, barium, and silver on bacterial growth.
- Photo acclimation is the capacity of diverse symbiodinium-hosting coral species to endure aberrant light circumstances.
- Is it feasible for plants in the same ecosystem to act differently?
- The risk of painkillers and similar medications to the human brain
- Near hydrothermal vents on the ocean floor are indications of life's development on Earth.
- Current ideas and evidence concerning the molecular reasons responsible for the rising prevalence of allergy disorders in industrialized nations
- Blood group relative frequencies in distinct geographic locations used to trace ancient migrations of humans.
- How millennia of breeding have caused domesticated dogs to respond to eye contact through bonding (by producing oxytocin hormone)
- An examination of malnourished children in Indonesia and the degree of their recovery following a period of supervised increased nutrition.
- The competitive and evolutionary nature of Paramecium Bursaria’s symbiotic connection
- The Complete Guide for Biology Extended Essay
- Learn About Chemistry EE From This Guide
- A List of Mathematics Extended Essay Topics
How to Analyze Your Biology Extended Essay Topic
You should explain early in the essay how you formulated the research topic and, if applicable, how you narrowed it by briefly elaborating on any relevant elements.
You should develop one or more hypotheses, especially since a single, well-formulated inquiry can generate a handful of specific hypotheses.
It’s possible to base your biology extended essays on data obtained through experiments, survey, microscopic observations, biological sketching, fieldwork, or any acceptable biological method.
Alternately, you can base the essay on facts or information collected from literature, ideally from primary sources, then alter or analyze in an innovative way.
If you’re working on an essay that requires laboratory or fieldwork test, you should provide a clear and brief description of the experimental methodology.
Explain how you chose the research technique and methodology, as well as any options that you investigated but rejected.
Now that we’ve given you a list of 10+ Biology extended essay topics, it should be easy for you to identify an area to explore.
It can be an area you’re always interested in or a topic that you’ve always wanted to explore.
You should do research for your essay under the direct supervision of a supervisor.
Regardless of where or under what conditions you conduct studies, you must demonstrate your personal contribution to the research methodology and selection of methodologies in the essay.
Generating and presenting data should not be a goal in and of itself. Remember, proper scientific analysis is vital.
About the author
Antony W is a professional writer and coach at Help for Assessment. He spends countless hours every day researching and writing great content filled with expert advice on how to write engaging essays, research papers, and assignments.
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Urgent Help For Students: Collection Of Biology Extended Essay Topics
If you’re participating in the IB Diploma Program, you may be asked to write a biology extended essay. The first step of this task is to select an interesting narrow topic to discuss. You might not be able to come up with such a topic on your own. However, you may pick a biology topic from a list crafted by somebody else and approach it from a new perspective.
A Selection of Topics for a Biology Essay
- The biological functions of water.
- The existence of living organisms without cells.
- The importance of agricultural microbiology.
- The evolution of parasites.
- The distinctive features of human physiology.
- The stages of embryonic development.
- The development of biotechnology.
- The importance of the human genome project.
- The evidence of the theory of evolution.
- The influence of the environment on the eating habits of particular species.
Tips for Writing an Extended Essay
- Select an interesting topic.
Writing this sort of paper will take you a lot of time, so it’s recommended to choose a subject of discussion that will be genuinely interesting to you.
- Choose a good advisor.
It’s recommended to select a teacher who knows a lot about the topic you’ve chosen to be your instructor. With their help, you’ll be able to conduct a much better study.
- Make an outline.
An extended paper is a lengthy academic work, so it’s advisable to plan its structure ahead. Otherwise, you might compose a frail text that won’t flow very smoothly.
- Proofread your paper.
It’s highly advisable to revise the text of your paper several times before submitting it. This way, you’ll be able to spot and correct the majority of your mistakes.
- Format your paper correctly.
Make sure that the cover page, bibliography, and other sections of your paper are formatted in accordance with the requirements of the IBDP.
- Come up with an interesting title.
The title of your paper should not only reflect its contents but also be attention-grabbing. If you put a catchy phrase in your title, it’ll be more memorable.
Now that you have taken a look at a collection of great biology topics, it’ll be easier for you to generate a unique idea for your own paper. Keep in mind, however, that a great topic alone won’t guarantee you an excellent mark. It’s very important to put plenty of effort into each step of your work in order to succeed in this task.
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100 Latest IB Extended Essay Topics For Tip-Top Grades
Your choice of extended essay topics has never been this more accessible with our orderly list of professionally selected items. So, scroll down to see more.
What is an Extended Essay?
It is a mini-thesis written under the supervision of an IB advisor, and it counts toward the IB Diploma of a learner. Such an essay requires that you articulate an original and appealing research question, which is the topic. It proceeds with thorough and independent research, which forms the basis of the essay.
The paper is long with up to 4000 words. However, not all assignments of such kind will require you to write all the 40000 words.
How to Write an IB Extended Essay
The following is the outline:
Title page Contents page Introduction Body Conclusion References and bibliography
There are six approved IB extended essay subjects, namely:
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
So, let’s delve into the IB extended essay topics and see how you can also create yours for that urgent assignment.
Interesting History Extended Essay Topics
- The fall out of the Soviet Union
- Why was their bias during the Salem witch trials
- The importance of the Treaty of Versailles
- How the Cuban missile crisis-affected people and population
- Why did Stalin and Hitler sign a pact and what was its implication
- The role of the Pearl Harbor checkpoint during the 2nd World War
- Why did opium emerge as a rural culture
- The effect of political allusions in Shakespeare’s drama
- Why were Hiroshima and Nagasaki the only target for the atomic bombings in Japan
- The conquest of Britain by the mighty Roman Empire
- Why did the Western countries dominate in modern history?
- How did Abraham Lincoln pass the 13th amendment?
- Why did Nazi Germany and USSR in 1939 continuously invade Poland?
- The rise of the Chinese communist party-state
- What led to the Holocaust by the Germans?
English Extended Essay Topics
- The primary sources of new words in modern English?
- What is the impact of the styles in English on its speakers?
- Where did English borrow words?
- How does Victorian poetry use symbolism?
- How has learning literature in English impacted students?
- Examination of Bertolt Brecht’s The Caucasian Chalk Circle
- How various plays in English have helped stop gender-based violence
- The importance of sarcasm in William Shakespeares’s plays
- Why Romeo and Juliet have persisted up to the 21st century
- How English as a language has been a unifying factor
- Compare and Contrast Jane Austen’s Books
- How racism comes out in Joseph Conrad’s portray, “Racism in the Heart of Darkness?”
- The characterization of Harry Potter
- What are the similarities and differences between Stephen King and Charles Dickens?
- The portrayal of ethnicity and sexuality in various works of art
Biology Extended Essay Topics
- How photosynthesis takes place in the absence of light
- The effect of changing the habitat of plants
- Similarities and differences between mammals and birds
- How does pollination occur in remote areas?
- Why do plants act as herbal medicine?
- Distinguish between symbiotic and mutual relationships?
- Why are whales classified as mammals?
- The process of reproduction in amphibians
- Biological mechanisms for the excretion
- Why infectious viruses persist for a long time
- The effect of drugs on the human brain
- Is it possible to manufacture flowers
- The impact of climate change on plants reproduction patterns
- How living organisms in yogurt reduce the concentration
- The working mechanism of growth hormones
Chemistry Extended Essay topics
- Role of catalyst in enzymatic reactions
- Why different countries have a separate iron intake
- Factors that affect the value of iodine in cooking oils
- Why time and temperate are essential for acids
- How to reduce the levels of caffeine in tea and coffee
- Why milk sours faster with increased temperature
- The use of the weak Van Der Waals forces
- The differences between different polymers
- How practical is the test for nitrogen in the air?
- Do we have clean air?
Physics Extended Essay Topics
- Physical mechanisms that affect the earth’s magnetic field
- The role of Cosmic microwave in supporting the Big Bang theory
- Does the Redshifted light from galaxies practically prove an expanding universe?
- The laws of propagation and their impact on the earth
- How do magnetism and magnetic force work?
- The bombardment of particles in the atmosphere
- How does light travel to and fro?
- How to develop the physical thought
- Factors affecting the refractive index of water
- Impact of the wheel diameter on muddy roads
Psychology Extended Essay Topics
- What is the cause of breakups?
- Why does adrenaline play a key role in human functioning?
- How egocentric parents influence their children
- The purpose of television in creating laziness and crime
- Causes of early school dropouts among teenage ladies
- Several suicide behaviors and their development over time
- Why do most people prefer fast food?
- How to treat phobias step by step
- Differences between different methods of learning and their effectiveness
- How to control dreams – nightmares, night walkings, etc.
Math Extended Essay Topics
- Which methods do statistics follow
- Determining the symmetries of plane tessellations
- How to calculate general relativity and cosmology
- Fractions used by Egyptians and their significance for arithmetic
- The theory of partitions and its importance in mathematics
- How to use the spirograph together with curves
- Ways of calculating volumes
- How to use voting polynomials to determine fairness
Economics Extended Essay Examples
- Striking a balance between supply and demand
- Impact of COVID-19 on economies
- The role of economic stimulus packages in boosting the economy
- Least affected sectors of the economy during the coronavirus
- How medical suppliers are reaping big from the pandemic
- Why developed countries invest in third world countries
- The economic impact of technology on labor
World Religion Studies IB Extended Essay Examples
- The figure of Jesus in Islam and Christianity
- The existence of heaven and hell
- What is the nature of man
- How religion responds to science
- Who created the universe?
- Missionary activity in the Middle East
- Differences in days of worship
- Is atheism a religion?
- The growth of polytheism
- Should people offer sacrifices?
There you have all the top-notch extended essay ideas for your homework or class assignment. If you need writing help on any of the topics , feel free to contact our pool of guru writers at once. We are always happy to help.
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20+ IB Biology Extended Essay Topics: PYP, MYP and DP
While you’re studying IB biology, new assignments will come up. Some of these will include essays, which might be challenging to start with. There are plenty of resources for you to use. One of the biggest assignments you will have is an extended essay. It involves much independent research and can be tiring. It’s important to begin planning early!
For starters, you should use essay topic lists to come up with ideas. This list includes biology essay topics, which will guide you in the right direction. You can also find cheap essay service options by looking for cheap essay help online.
Now, you will use these resources for help and not to complete all of your work for you. It’s essential that you understand how biology—or any other school subject—works. There are ways to make your studies easier on you though!
For now, let’s focus on some of the IB biology essay topics you can use. These topics are separated into lists to help you choose a focus area, such as PYP, MYP, or DP. Note that they are sorted into their proper sections. You could possibly move them between different study areas, but modifications will need to be made!
PYP (Primary Years Program)
- The Links Between Birds And Dinosaurs (Or Any Other Two Animal Species)
- The Uniqueness of Fungi and How They Develop in Nature
- The Evolution of Human Genetics Within a Family or Classroom Group
- The Preservation of Biodiversity In a Given Area
- The Influence of Eating Breakfast Before a Performance Assessment
- The Influence of Alternative Beverages on Plant Growth and Survival
- The Long-term Effects That Bad Habits May Have On Human Health
MYP (Middle Years Program)
- The Influence of Genetics on One’s Life Span
- The Role of Hormones In the Human Body
- The Role of Microbiota and Microbes In the Human Body
- The Effects of Abortion on Pregnancy and Fertility
- The Steps In Membrane Transportation and Its Importance
- The Differences Between Hydrophilic and Hydrophilic Substances and Real-life Application
- The Evolution of Disease and Disease Prevention Over the Past Decade
DP (Diploma Programme)
- The Importance of Vaccinations and the Flaws In the Debate
- The Causes of Defects In DNA And What to Do about Them
- The Importance of Stem Cells and How They Can Be Used to Cure Certain Diseases
- The Key Features and Functions of Cell Structures, Including Prokaryotes and Eukaryotes
- The Microbes Found on Everyday Objects and How to Eliminate Them Effectively
- The Structure of Hair and Potential Healing Components
- The Power of Antibiotics and the Potential Resistance in Culture E Coli
You might find it useful to blend some of these essay topic ideas together to come up with your own. In addition to using these essay topics, consider searching for an essay writing service. To find these services, you can simply search for “ do my essay cheap ”. It’s critical that you only use these essays as examples to help you with your paper. They can be useful in creating the correct structure.
When you are selecting a topic for your essay, consider choosing one that is important to you. This will make the entire process less painful and more enjoyable for you! Plus, this will make your research much more meaningful.
Remember to use the mentors and teachers available to you. They can have expertise in certain areas as well. Explore the resources in your community, such as labs, zoos, conservatories, hospitals, and more. Approach online cheap writing services for assistance as well. They can all offer valuable information if you get in touch with the right individuals.
Angelina Bennett is a college adventurer, shopaholic and dreamer. She has, perhaps, the widest circle of offline friends, but despises aggressive online presence. “Be true” is her motto. She explains her life philosophy in her personal blog at CheapEssay.net – a website for international students. View all posts by Angelina Bennett
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IB Biology IA ideas (30+ topics) - A Goldmine You Can't Ignore.
Unleash your potential in IB Biology with our exclusive list of 30+ captivating IA ideas! Discover the secrets to scoring top marks & nail your IA now!
Table of content
Sitting in that quiet corner, sipping hot chocolate, hoping it rains IB Biology IA ideas, instead, going blank and utterly confused?
We don't want that to happen, do we?
Choosing the perfect IB Biology IA idea is only the first step in making one's IB Biology Investigation, but definitely, the most significant. IB Biology IA Ideas won't strike out of the blue, but here's a list of 30+ IB Biology IA ideas to inspire and stimulate your grey cells! Selecting an IBxq Biology IA idea has always been challenging!
Before we look for IB Biology IA ideas, let's clearly comprehend the IB Biology Diploma Programme Subject , its objectives, partwise breakdown, and what IB expects of you.
The IB IAs are essential to one's overall subject performance since they make up 20% of the final score. Internal Assessments are the perfect way to get students to put their knowledge to use by Observing, Questioning, and Investigating. Personal engagement , Exploration , Analysis , Evaluation , and Communication are the criteria against which the investigation is assessed.
The sure-shot way to ace one's IB Biology IA, or any IA, is by picking a topic that sparks one's interest. A well-planned , structured, and executed IA has been undertaken with zeal and enthusiasm. It is all the same when choosing that one Biology IA idea from a platter full of inspiration.
Before we dive more in-depth, you should check out our premium IB Biology SL Notes to own your Biology SL papers! Along with a bundle of Past Papers , these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! You certainly want to take advantage of these! Browse these for more information!
When it comes to selecting from several IB Biology IA ideas for your investigation, it is essential to note that your IA would either require you to:
- Carry out experimental research in the laboratory or
- Draw interpretation from a credible database or
- Make a detailed analysis using a simulation/modelling.
Either way, you must connect to your topic and portray personal engagement as it lays the foundation for the rest of your investigation. Proper research is a bare minimum, and the rest follows. Here's a quick summary of how you are supposed to choose an appropriate IB Biology IA idea for your report:
- Know your interest: Go through several IA ideas to understand what all topics are in sync with the IB Biology curriculum and if something grabs your attention, hold on to it!
- Keep it specific: The idea should be more generic and more complex. An ideal IA idea reeks of originality and leaves room for proper investigation and analysis.
- Let it be realistic: Outline the Equipment, time, and resources to check its feasibility.
Tada! There you go!
Now that you know how to settle on that one perfect topic, let's quickly brief ourselves on the proper planning and procedure involved in the making of an IB Biology IA:
Concise Research Question:
Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. Keep the research question brief and relevant. The Aim answers Why while the Research Question answers the What.
- It is essential to set the Research Question in the background of the chosen topic. My Background, IB expects you to briefly explain what encouraged you to select a particular topic and, hopefully, a personal story that validates your choice and engagement. For instance, if you choose to investigate how light levels affect the predation of peppered moths, you could set a background that you have gained a fascination for that species ever since it was introduced to you for some explanation in your regular classes and eventually give more scientific basis for your choice.
- Independent, Dependent variables need to be highlighted, as should the hypothesis. State your hypothesis; it is important in the context of your research. Constraints, if any, need to be mentioned as well. Remember, the Independent variable is one that you are allowed to change(just one); the Dependent variable is one that you measure as it changes with the Independent variable; all the other experiment conditions must be kept constant to ensure that the experiment is fair.
- The procedure used should be well structured.
- Tables, Graphs, etc., should be used.
- Perform the relevant analysis, consider the research question, and conclude.
- Limitations and Improvements should be specified.
Acknowledging the safety protocols established by IB and considering the ethical aspects of your investigation is imperative.
Focus on the question:
"If there are any ethical implications to your report, how do you plan on minimizing the environmental impact of your experiment?"
Citing documents/web pages and giving references is another crucial aspect of your IA that needs to be taken care of.
An important thing to note here is that although you are allowed to take inspiration from existing research, papers/journals, you are expected to give a novel perspective to the idea while producing it in your investigation.
For example, an idea inspired by how the soil pH affects seed germination could be investigated in a new light; think of other factors controlling/affecting seed germination. You could progress further in your report with a focus on quantitative data.
With all the necessary information at your disposal, it is time to present some fantastic IB Biology IA ideas to encourage you to put your thinking caps on and take on the challenge with newfound zeal! These ideas are meant to give you a little head start along this path; your final IB Biology Investigation idea is your interpretation of one.
Without further adieu, let's dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation!
- Reference to Course: Molecular Biology (Metabolism, Cell Respiration, Photosynthesis)
- Lab, Simulation-based
- Reference to Course: Molecular Biology (Metabolism, Cell Respiration, Photosynthesis)
- Reference to Course: Cell Biology (Membrane Structure)
- Reference to Course: Plant Biology
- Reference to Course: Molecular Biology (Enzymes)
- Reference to Course: Cell Biology
- Reference to Course: Cell Biology (Osmosis)
- Database based
- Reference to Course: Molecular Biology (Enzymes)
- Reference to Course: Ecology
- Reference to Course: Microbiology
- Reference to Course: Molecular Biology(Enzymes)
- Experimental, Simulation-based
- Reference to Course: Buffers
- Reference to Course: Human Physiology
- Reference to Course: Molecular Biology(Enzymes)
- Simulation Analysis
- Database, Experimental
- Reference to Course: Plants Physiology
These ideas are for you to start exploring and begin! Take inspiration from these and research further to land on that one idea that gets you going!
But is that it? Certainly not!
Here are a couple of other ideas you could browse and eventually take inspiration from:
- Effect of Different Fertilizers on Eutrophication .
- Analyzing Milk Spoilage under varying conditions of Temperature, Sunlight, etc.
- Exploring how a particular variable affects the germination of seeds .
- Investigating the rate of oxygen production of seaweed with variation in light intensity.
- To prevent microbial growth, explore better ways to clean household items(for example - mats).
- Studying the effect of temperature on photosynthesis in Green Gram(Vigna Radiata).
- Understanding what effect different ethanol concentrations have on cell membranes.
- Studying the biology behind Schizophrenia .
- Investigating the decay time of different Genetically Modified Foods .
- Understanding the impact of different variables on vegetable decay/ Exploring other methods to prevent vegetable decay.
And that's that!
These little ideas will help you brainstorm and explore further the vast yet intriguing expanse of biology. IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. It might seem like a lot of work, but with the right topic, you will surpass your expectations! On this note, we wish you all the very best for your IB Biology IA Journey :)
Want some A-quality guidance? Look no further; at Nail IB, we have assembled premium content for you to ace your IBs, and you should check out our resources for a smooth IB experience. Click here for top-notch IB resources or to assess how your prep is going!
This article will be a foundation for you to get going on that IB Biology IA Investigation of yours!
IB Resources you will love!
Nan + free ib flashcards.
This tool is the coolest and the largest collection of IB flashcards on the planet!
-1 + FREE IA Samples
Nan + ib videos by experts, -1 + ib sample practice questions, ib resources for nan + subjects.
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- Extended Essay titles and research questions
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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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