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International Baccalaureate (IB)

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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:

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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.

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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?

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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...

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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!

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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.

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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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Biology Extended Essay: The Complete Guide for IB Students

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by  Antony W

March 13, 2023

biology extended essay

Biology Extended Essay is an assignment that requires you to explore biological issue relevant to you and your environment.

Your focus should be on a particular biological emphasis within a broader context of scientific investigation. Given that the focus is on a biological system, you’ll have to make an analytical argument as you write the essay.

In this guide, you’ll learn exactly what you need to know about the IB Biology Extended Essay . Our goal with this lesson is to give you the most important information about the subject so that you can get the assignment done right.

What is Biology in an IB Extended Essay?

Biology in IB Extended Essay is the examination of living organisms and their life processes. The assignment integrates biological theories and examines the nature of the subject.

While you can approach a Biology EE from varying viewpoints, the treatment of the material used in your investigation must be 100% biological.

IB Biology Extended Essay Topics

The topic you choose to explore in your IB Biology Extended Essay shouldn’t be too broad or too narrow. Make sure you choose a focused topic that’s easy to investigate and easy to explain.

Your teacher expects you to explain how you arrived at your research question, and the best way to do that is to outline the aspects you wish to consider in the essay.

You may also have to formulate one or more hypothesis based on the research question.

The EE guide on the subject recommends that you choose your topics carefully, making sure you refrain from inappropriate topics such as those that are likely to inflict pain, involve the use of dangerous substances, or linked to safety concern.

You should avoid topics whose outcome are either obvious or already well known and documented in textbooks.

Doing Research for Your IB Biology Extended Essay

You will need to do primary and secondary research for your Biology Extended Essay.

1. Primary Research

For primary research, you can collect data from fieldwork, surveys, biological drawings, and biological observations.

If you’ve picked topic that requires practical work, you may have to conduct multiple, extensive fieldwork or do lab tests. In such a case, you will have to provide a detailed explanation of the experimental research procedures sued.

2. Secondary Research

When it comes to secondary research, you get data or information from literature.

Some students restate the information they collect from secondary sources, but doing so often adds little or no value to a Biology Extended Essay.

Therefore, the right approach is to analyze the data or information in an original way to add a new dimension and value to your research and to the essay at large.

Whether you do primary research, secondary research, or a combination of both, you need to make sure you have access to enough data or information to answer your research question.

How Do You Write an IB Biology Extended Essay?

The first step to writing a comprehensive, 4,000-word essay in Biology EE is to use the right scientific techniques to analyze the data you collect during research.

You then have to present your argument or evaluation based on the analysis you’ve completed.

You can include graphs, tables, and diagrams, and make sure you point out their significance in the essay so they’re easy to understand.

As with any other EE, your Biology essay should have a good structure and demonstrate a logical progression. Feel free to use headings and subheadings in the essay because it imposes a concise structure.

Your evaluation of the research questions should demonstrate that you not only understand the results from your experiments but also can explain their significance in a wider academic context.

Since you aren’t sure about what to expect from biological experiments, you may have to account for anomalies or unexpected results in your investigation.

In such a case, you have to provide explanations for the expected outcome and give an alternative explanation for such findings.

The subject also allows you to propose slight or major changes to the hypothesis presented in the essay, in which case you will have to suggest relevant approaches to testing the new changes.

Evaluation of Your Biology EE

Writing your EE in Biology also requires that you undertake a critical evaluation of the work that you have already done.

The evaluation helps you to identify and explain the limitation of your research by a number of factors including the reliability and validity of statistics, the precision of experimenting equipment and the reliability of sources.

You also need to consider biological limitations of your research. Such limitations are likely to arise from the inability to generalize based on a single form of an organism or problems of control and repeatability when using living organisms in your research.

Biology Internal Assessment vs Biology Extended Essay

It’s important to keep in mind that a Biology Extended Essay is not an extension of the Internal Assessment in the same subject. There are a few differences that set the two assignments apart, and it’s important to know them before you start working on the essay.

Get Extended Essay Writing Help

Do you need help with your Extended Essay in Biology? Our team of IB experts is here to help you write the 4,000-word essay, even if it’s on a complex topic. You can click here to learn more.

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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Gr. 11-12 Extended Essay

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Biology EE Overview

Acceptable source types for biology ees, recommended databases, website sources, ee examples.

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a. Experiment-based essay: The focus with experiment-based essays is the primary data produced as a result of the experiment(s) conducted by students. Secondary sources in the form of scientific publications should be used to support a line of argument or indicate where the student has adapted their approach so as to produce different results. A consideration of the quality of the secondary source should also be offered to identify limitations or weaknesses in approach, method and so forth. Note: there are restrictions placed on the use of animals and humans when it comes to experiment-based essays. Check the IB Policy ‘Guidelines for the use of animals in IB World Schools’.

b. Non-experiment-based essay: Non-experiment-based (literature) essays should effectively question the reliability of the secondary source material used, and offer some insight into the strengths and limitations of the methodological approaches taken by the secondary sources.

Source Options

Source: Lekanides, K. (2016).  Extended Essay Course Companion.  Oxford University Press.

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​Researching and writing an IB Extended Essay in Biology

extended essays in biology

Mr James Fraser, Head of Science at  Scarborough College , shares some of the Extended Essay topics that he's had the pleasure of supervising.

The Extended Essay is a compulsory component of the IB Diploma. Students are tasked with writing four thousand words on a topic of their choice relating to one of the subjects they are studying for their Diploma. Every student is allocated a supervisor who will guide them through the process. It is not an exaggeration when I say that supervising students completing their Extended Essay in my subject has been the most rewarding part of my teaching role at the College.

I have had the privilege of supervising more than thirty students since the IB was introduced at the College more than ten years ago. When I cast my mind back, some topics and essays immediately spring to mind. For instance, the research undertaken by a student to investigate the response made by the tiny C. elegans worm to being tapped on the head. After we had acquired the worms from the University of Chicago, the student designed an ingenious device to tap the head of the worms using her own eyelash. I am sure the experience of conducting research for her Extended Essay in the College laboratory was an instrumental reason for her choosing to read for an immunology degree at the University of Glasgow before doing a PhD at Melbourne University.

More recently, a student now studying medicine at university, designed an investigation to genetically modify bacteria cultured in the lab with a gene originally obtained from jellyfish. The gene taken up by the transgenic bacteria caused them to fluoresce when exposed to ultraviolet light. The gene was prepared in a number of different ways to see if this had an effect on its uptake by the bacteria.

extended essays in biology

Our current Upper Sixth students have recently submitted their Extended Essays. A variety of topics were chosen for investigation by biologists this time around including the effect of hair washing on the strength of hair and the frequency of visits to a bird feeder by House sparrows during the day.

Another essay written by Ksenia Ivanova focussed on the potential for the effect of an antibiotic to be enhanced when used in conjunction with a variety of different plant extracts. I asked Ksenia what advice she would give a student choosing a topic for their essay. She replied that 'Whichever topic you decide to explore, the key is to choose something that you really like and care about, so that your work would never be boring.'

The essays themselves are awarded a grade from A to E. Together with the grade for the Theory of Knowledge course, upto three additional IB Diploma points can be included in their overall IB Diploma score. However, the emphasis throughout the process is not solely on the outcome. Many former students have been in touch over the years to tell me how much their Extended Essay experience helped them when completing assignments and dissertations at university. They always comment on the head start they had over their peers who had studied for ‘A’ Levels who had no experience of academic writing at school.

Returning to my current students, they have discovered that the frequency of hair washing does NOT have an effect on its strength, House sparrows visit garden feeders more in the morning and early evening than at other times of day, and are much more likely to be male than female, and the growth of bacteria was inhibited more when an antibiotic was used together with either clove oil or clary sage extracts than when it was used on its own.

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Biology EE Topics | 40 Ideas

Biology EE Topics

Luke MacQuoid

There are many potential topics for a biology Extended Essay (EE) in the International Baccalaureate (IB) program.

Topic Ideas

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.

extended essays in biology

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.

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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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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

extended essays in biology

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

extended essays in biology

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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IB Extended Essay: Assessment Criteria

  • Research Questions
  • Past Essays
  • Notes & Outlines
  • Works Cited Page
  • In-Text Citations
  • Assessment Criteria
  • Reflections
  • Supervisor Info
  • Net Valley Library This link opens in a new window

extended essays in biology

Score Descriptors for each Criterion:

  • A - Focus and Method
  • B - Knowledge and Understanding
  • C - Critical Thinking
  • D - Presentation
  • E - Engagement

Printable: Full Rubric  for all subjects

To view details for your SUBJECT, open the correct page below.

  • Choose "Interpreting the EE Assessment Criteria" on the sidebar to see how to score well in YOUR subject area

extended essays in biology

Language & literature (language A)

Language acquisition (language B)

Mathematics

Visual Arts

World Studies

Business Management

Grade Boundaries

extended essays in biology

What's Expected?

  • A: Focus/Method
  • B: Knowledge
  • C: Critical Thinking
  • D: Presentation
  • E: Engagement
  • A: Focus and Method (6 marks)
  • B: Knowledge and Understanding (6 marks)
  • C: Critical Thinking (12 marks)
  • D: Presentation (4 marks)
  • E: Engagement (6 marks)
  • Total marks possible: 34 (see grade boundaries below)
  • Printable:  Full Rubric
  • Printable: A3 size with details
  • Printable:  Details for each criterion , via the Oxford guide

extended essays in biology

Criterion A:  Focus and Method (6 points)

What It Means:   This criterion focuses on the topic, the research question and the methodology. It assesses the explanation of the focus of the research (this includes the topic and the research question), how the research will be undertaken, and how the focus is maintained throughout the essay.

Questions to ask:  

  • Does this essay meet the requirements for the subject for which you are registering it?
  • Is your research question stated as a question?
  • Have you explained how your research question relates to the subject that you selected for the extended essay?
  • Have you given an insight into why your area of study is important?
  • Is your research question feasible within the scope of the task? Could your research question be “answered” or it is too vague?
  • Did you refer to your research question throughout the essay (not only in the introduction and conclusion)?
  • Did you explain why you selected your methodology?
  • Are there other possible methods that could be used or applied to answer your research question? How might this change the direction of your research?
  • If you stated a particular methodology in the introduction of your essay, or specific sources, have you used them?
  • Are there any references listed in the bibliography that were not directly cited in the text?

(Source: Susan Trower, via West Sound Academy)

extended essays in biology

Criterion B:  Knowledge and Understanding (6 points)

What It Means:   This criterion assesses the extent to which the research relates to the subject area/discipline used to explore the research question; or in the case of the world studies extended essay, the issue addressed and the two disciplinary perspectives applied; and additionally, the way in which this knowledge and understanding is demonstrated through the use of appropriate terminology and concepts.

  • Have you explained how your research question relates to a specific subject you selected for the extended essay?
  • Have you used relevant terminology and concepts throughout your essay as they relate to your particular area of research?
  • Is it clear that the sources you are using are relevant and appropriate to your research question?
  • Do you have a range of sources, or have you only relied on one particular type, for example internet sources?
  • Is there a reason why you might not have a range? Is this justified?

extended essays in biology

(Source: Oxford EE manual, p. 110)

extended essays in biology

Criterion C:  Critical Thinking (12 points)

What It Means:   This criterion assesses the extent to which critical thinking skills have been used to analyze and evaluate the research undertaken.

  • Have you made links between your results and data collected and your research question?
  • If you included data or information that is not directly related to your research question have you explained its importance?
  • Are your conclusions supported by your data?
  • If you found unexpected information or data have you discussed its importance?
  • Have you provided a critical evaluation of the methods you selected?
  • Have you considered the reliability of your sources (peer-reviewed journals, internet, and so on)?
  • Have you mentioned and evaluated the significance of possible errors that may have occurred in your research?
  • Are all your suggestions of errors or improvements relevant?
  • Have you evaluated your research question?
  • Have you compared your results or findings with any other sources?
  • Is there an argument that is clear and easy to follow and directly linked to answering your research question, and which is supported by evidence? Are there other possible methods that could be used or applied to answer your research question? How might this change the direction of your research?

extended essays in biology

(Source: Oxford EE Manual p. 111)

Handy Links:

  • Presentation One Pager  via Catalina Bordoy
  • Presentation Checklist
  • Sample Title page   (see below - top half of the page)

extended essays in biology

Criterion D:  Presentation ( 4 points)

What It Means:   This criterion assesses the extent to which the presentation follows the standard format expected for academic writing and the extent to which this aids effective communication.

  • Have you read and understood the presentation requirements of the extended essay?
  • Have you chosen a font that will be easy for examiners to read on-screen?
  • Is your essay double-spaced and size 12 font?
  • Are the title and research question mentioned on the cover page?
  • Are all pages numbered?
  • Have you prepared a correct table of contents?
  • Do the page numbers in the table of contents match the page numbers in the text?
  • Is your essay subdivided into correct sub-sections, if this is applicable to the subject?
  • Are all figures and tables properly numbered and labelled?
  • Does your bibliography contain only the sources cited in the text?
  • Did you use the same reference system throughout the essay?
  • Does the essay have less than 4,000 words?
  • Is all the material presented in the appendices relevant and necessary?
  • Have you proofread the text for spelling or grammar errors?

Criterion E: Engagement

  • Three reflections (best after meeting with your supervisor)
  • 500 words TOTAL (100 + 150 + 250?)
  • Reflections are done in Managebac on your Reflection space
  • See the "Reflections" tab above for prompts to write about

extended essays in biology

(Source: Oxford EE Manual p.135)

extended essays in biology

(Source: Oxford EE Manual p.133)

  • Sample Reflections
  • Full chapter on Reflections from the Oxford Guide

Criterion E:  Engagement (6 points)

What It Means:   This criterion assesses the student’s engagement with their research focus and the research process. It will be applied by the examiner at the end of the assessment of the essay, after considering the student’s RPPF (Reflections on planning and progress form).

  • Have you demonstrated your engagement with your research topic and the research process?
  • Have you highlighted challenges you faced and how you overcame them?
  • Will the examiner get a sense of your intellectual and skills development?
  • Will the examiner get a sense of your creativity and intellectual initiative?
  • For prompts to deepen your reflections, go  here  and then to the bottom of the page
  • Presentation Quick Guide
  • << Previous: In-Text Citations
  • Next: Reflections >>
  • Last Updated: Apr 9, 2024 9:39 AM
  • URL: https://sis-cn.libguides.com/ExtendedEssay

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2016-2017 IB Extended Essay: Sample IB EE's

  • Workshop 1: Getting started
  • Workshop 2: EE Options
  • Workshop 3: Selecting a topic
  • Workshop 4:Research Questions
  • Workshop 5: Supervisors and Reflections
  • Finding Books & Ebooks
  • Primary Sources
  • Citation Guide
  • Subject guidance
  • Sample IB EE's
  • Biology (2018 new rubric)
  • Biology Light Intensity
  • Does Age Have an Effect on Short-term Memory of 6 to 18 Year Old Students?

Chemistry: 

  • Chemistry 1
  • What are the Alternative Fuels for the Depleting Fossil Fuels and which is the Best Fuel in Accordance with the Energy Output?
  • A Copper Ions
  • Chemistry 3

Design Technology

  • Does Hull Trim and Balance Affect the Speed of a Boat?

Individuals & Society:

  • Market Form of the Retail Petroleum Supply Industry in Parklands
  • Economics 1
  • Economics 2
  • Economics 3

I have an exemplar but the file is too big to upload.  If you are interested in this topic I can share the essay with you.

  • Geography 2
  • History EE (2018 new rubric)
  • To What Extent was the Establishment of the State of Israel in Palestine in 1948, Influenced by Theodor Herzl?

Information Technology in a Global Society

  • Philosophy 1
  • Philosophy 2
  • Philosophy 3
  • Philosophy 4
  • Psychology EE (2018 new rubric)
  • Applied Behavior Analysis and Early Intervention: The Extent of Recovery from Autism
  • Psychology 1
  • Psychology 2
  • Psychology 3

Social & Cultural Anthropology

  • Social & Cultural Anthropology 1
  • Social & Cultural Anthropology 2

World Religions

  • To What Extent do the Core Scriptural Teachings of Sikhism Permit them to Marry Outside of the Religion?
  • World Religions 1
  • World Religions 2

Language Acquisition:

  • French: Les Liaisons Dangereuses

Literature & Language 

  •   Journeys in the Inferno and The Wonderful Wizard of Oz   
  •   Toni Morrison 

Math: 

  •   Cryptography and Rubik's Cube: An Investigative Analysis   
  •   Pascal's Triangle 

Visual Arts: 

  •   How Does the work of Yinka Shonibare Illustrate the Changing Role of African Art in a Global Society? 
  • Ballet's Accessibility and Costumes Affecting Society's View of the Art Form
  • Visual Arts 1
  • Visual Arts 4

Interdisciplinary Essays:

Environmental Systems & Societies

  • ESS Extended Essay (2018 new rubric)

World Studies

  • World Studies EE History, Economics, & Politics  (2018 new rubric)
  • Does the Production of Dairy and Meat from Dairy Cows in the United States affect the Environment and Well Being of Animals and Humans?
  • << Previous: Subject guidance
  • Last Updated: May 2, 2024 12:55 PM
  • URL: https://lewishs-fcps.libguides.com/IBExtendedEssay

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IB EE examples for all subjects

Filter exemplars, how does the total energy supplied during ultrasonic cavitation of benzene affect the integrated photoluminescence intensity and quantum yield of graphene quantum dots (gqds), to what extent does the type of alcohol used in the fischer-speier esterification reaction affect the average rate of reaction as measured through back titration., want to get full marks for your ee allow us to review it for you 🎯, to what extent does global self-esteem influence academic performance, to what extent has zoom’s freemium business model influenced its market leadership position in the north american video conferencing market from 2020 to 2021, 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, fast track your coursework with mark schemes moderated by ib examiners. upgrade now 🚀, how does 5g of different types of oils (palm oil, avocado oil, castor oil, and olive oil) contribute to the production of soap bars with a ph level closest to 7 measured at constant temperature (50°c) and after constant time of refluxing (30 minutes) through the saponification process, how have amazon's market strategies contributed in successfully growing its e-commerce business internationally, to what extent has the change in corporate leadership at apple inc. from steve jobs to tim cook impacted the company's innovation and product development, fluid’s density effect on falling objects, to what extent will toyota’s diversification help increase business revenues and market share, to what extent does vivienne westwood's sustainable fashion initiatives provide it with a competitive advantage over other luxury brands, to what extent were queer people liberated in weimar germany, 1919-1933, how is the lift at various angles of attack affected by flap deflection angles, to what extent is blood pressure related to the development of alzheimer’s disease in people in age above 50, how has apple used sustainable innovation to gain a competitive edge, to what extent do extracts of allium sativum (garlic) and zingiber officinale (ginger) reduce antimicrobial activity and how effective it is compared to antibiotics, 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, what effect does the difference in radius at the top and bottom of the roller coaster loop have on the maximum change in g-force that a passenger experiences, to what extent can four seasons hotel’s success be attributed to its corporate culture and isadore sharp’s leadership style, how does the concentration of harpagoside, which is identified by the surface area of the spot on the chromatography paper, changes in the equine mane over the period of one month after gradual consumption of the supplement “devil’s claw”, what is the relationship between the height of the siphon and the flow velocity out of the siphon, to what extent has the launch of disney+ proven successful in advancing disney’s digital presence and establishing market dominance in the subscription-based video on demand (svod) market, to what extent were the nuremberg trials defendants afforded a fair due process, to what extent has google's diversification into the wearables industry increased its profitability, to what extent was the popular violence of the cultural revolution driven by mao’s need to eliminate opposition, to what extent has the vehicular emissions scheme (ves) been effective in increasing the consumption of light electric vehicles between 2018 and 2020 in singapore, how does the type of solvent (ethanol, propanone) and its solvent to water ratio (20%, 40%, 60%, 80%, 100% v/v) in the extraction of polyphenols via ultrasound-assisted extraction (uae), affect the total phenolic content extracted from rosemary (rosmarinus officinalis), quantified by folin-ciocalteu assay, 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, to what extent can the growth of disney+ be sustained as the pandemic’s effects begin to wear off, how does increasing the angle of a simple pendulum affect its time period, how do changes in viscosity of fluid affect the speed and amplitude of surface waves that are generated by an impact of spherical object, what effect does changing the concentration of the reagent, chitosan glycolate solution, have on the formation rate and the di↵usion coecient observed in the formation of liesegang rings in the reaction of the polymer-analogous transformation, from salt to base, of chitosan, to what extent was german defeat in the battle of stalingrad a result of german failures, how does varying the solution ph and sodium ethanoate concentration affect the rate and yield of ethane production from its electrolysis, to what extent were legal measures responsible for the exclusion of jews from german society from 1933-1938, to what extent have tesla’s distinct marketing strategies been effective at promoting its automotive business”, to what extent did logistical and environmental implications hinder napoleon’s victory in the russian campaign of 1812, how does the application of different corrosion inhibitors (green tea extract, acrylic paint, chrome plating) on iron affect the amount of rust produced and the rate of corrosion of an iron nail in a 3.5% nacl solution as measured through spectrophotometric and mass-loss methods, how do the angular momentum and orbital velocity affect the eccentricities of planetary orbits, to what extent was amazon’s decision to expand into the physical grocery retail industry a successful change management strategy.

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Category Archives: Extended Essay

Extended essay frame and word citation tool.

Posted by Stephen

Here’s a document we are using in my Extended Essay group . The intention is that students set it up from day 1, keeping all of their reading and research in a section at the end which will allow them to build their citations database. This section of notes will be deleted before final submission, unless any of the resources they save are worthy of an appendix.

By this point, students have read the examiners’ reports for their subject area EE’s, looked at some excellent examples ( on sale in the IB store ) and have read carefully through the EE guide, noting the subject-specific guidance for each criterion.

At the end of the document is a set of rubrics for self-assessment, which they should refer to on a regular basis. I have set it up so that they can add their own checkboxes above each rubric, listing what is most important for them to achieve.

There is a screencast below the document which gives a very quick introduction to using the Word citation manager.

Check out these great resources from Purdue’s OWL project on APA citation .

What I would love to see

If I could make one request of the IB, it would be that rolled into our programme fees for DP we could have access to university-style academic searches and journals. Wouldn’t it be great if the IB subscribed to the journals and schools could access them through Athens or Springerlink (or something else), to use in EE’s and research?

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Posted in Extended Essay , Screencasts & How-To

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COMMENTS

  1. IB Biology EE examples

    High scoring IB Biology Extended Essay examples. See what past students did and make your Biology EE perfect by learning from examiner commented examples!

  2. The Complete IB Extended Essay Guide: Examples, Topics, and Ideas

    Want help on the IB Extended Essay? Here's our complete guide, full of example ideas, essay topics, timeline, step by step plans to get a great score on your essay.

  3. What I learned from messing up my biology extended essay

    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 ...

  4. Extended essay

    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 ...

  5. Examples

    See example essay titles for the extended essay -- part of the International Baccalaureate® Diploma Programme.

  6. Extended Essay

    One requirement of the International Baccalaureate® Diploma Programme core, the extended essay is an independent, self-directed piece of research, finishing with a 4,000-word paper. According to the IB, "t he extended essay provides: practical preparation for undergraduate research. an opportunity for students to investigate a topic of ...

  7. Biology Extended Essay: The Complete Guide for IB Students

    Biology Extended Essay is an assignment that requires you to explore biological issue relevant to you and your environment. Your focus should be on a particular biological emphasis within a broader context of scientific investigation. Given that the focus is on a biological system, you'll have to make an analytical argument as you write the ...

  8. Tanglin LibGuides: IB Extended Essay (EE): Biology

    Excellent Extended Essays - Biology. Are commercial methods of oral rinse (mouthwash) more effective than the traditional methods of oral hygiene (tea, sesame oil, baking soda, myrrh) in preventing the growth of Micrococcus luteus? (2012) A study on the effect of Indole acetic acid, a growth hormone, on the growth of crop plants, rice (Oryza ...

  9. The York School Library: Gr. 11-12 Extended Essay: Biology

    Subject Options. a. Experiment-based essay: The focus with experiment-based essays is the primary data produced as a result of the experiment (s) conducted by students. Secondary sources in the form of scientific publications should be used to support a line of argument or indicate where the student has adapted their approach so as to produce ...

  10. Researching and writing an IB Extended Essay in Biology

    Researching and writing an IB Extended Essay in Biology. Mr James Fraser, Head of Science at Scarborough College, shares some of the Extended Essay topics that he's had the pleasure of supervising. The Extended Essay is a compulsory component of the IB Diploma. Students are tasked with writing four thousand words on a topic of their choice ...

  11. PDF Student Guide: Extended Essays in Biology

    An extended essay in biology provides you the student with an opportunity to apply a range of skills while researching a topic of personal interest in the field of biology. The nature of an extended essay in biology is characterized by a particular biological emphasis within the more general context of a scientific investigation.

  12. Biology Extended Essay Topics

    Biology EE Topics | 40 Ideas. Luke MacQuoid. January 24, 2023. There are many potential topics for a biology Extended Essay (EE) in the International Baccalaureate (IB) program. Topic Ideas. Some possibilities include the following: The effects of pollution on a particular species or ecosystem. The genetic basis of a specific disease or trait.

  13. LibGuides: IB Extended Essay: Past Essays

    From the IB: papers from other students and how they scored. Renaissance Library Past Essays : Links to all subject area examples.

  14. PDF BIOLOGY

    The extended essay is externally assessed, and as such, supervisors are not expected to mark the essays or arrive at a number to translate into a grade. Predicted grades for all subjects should be based on the qualitative grade descriptors for the subject in question.

  15. Sciences: Biology

    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.

  16. Assessment Criteria

    Overview: Five Criterion, each worth various points: A: Focus and Method (6 marks) B: Knowledge and Understanding (6 marks) C: Critical Thinking (12 marks) D: Presentation (4 marks) E: Engagement (6 marks) Total marks possible: 34 (see grade boundaries below) Handy Links: Printable: Full Rubric.

  17. John R. Lewis Library: 2016-2017 IB Extended Essay: Sample IB EE's

    I have an exemplar but the file is too big to upload. If you are interested in this topic I can share the essay with you.

  18. IB EE examples for all subjects

    High scoring IB Extended Essay examples for all subjects. See what past students did and make your EE perfect by learning from examiner commented examples!

  19. PDF Extended essay guide

    It isrequiredthat students: • choose a topic that !ts into one of the subjects on the approved extended essay list (in the Vade Mecum) • observe the regulations relating to the extended essay • meet deadlines • acknowledge all sources of information and ideas in an approved academic manner. It isstrongly recommendedthat students: • start work early • think very carefully about the ...

  20. PDF Microsoft Word

    Curiosity has its own reason. for existing.". - Albert Einstein. (Calaprice, 2000) Saint Joseph's Institution International. Candidate Number: 003400-0082. Group 4: Experimental Sciences - Higher Level Biology. Date of Submission 20/05/2016.

  21. PDF Extended Essay Biology

    An extended essay in biology provides you with the opportunity to apply a range of skills while researching a topic of personal interest in the field of biology.

  22. Extended Essay

    Here's a document we are using in my Extended Essay group. The intention is that students set it up from day 1, keeping all of their reading and research in a section at the end which will allow them to build their citations database. This section of notes will be deleted before final submission, unless any of the resources they save are ...

  23. PDF Biology extended essay

    In this session essays were submitted across a wide range of biological topics. These included microbiological studies, plant germination and growth, ecological studies, studies relating to human health and physiology, as well as studies based on specific diseases, biochemical topics and topics related to genetics. The vast majority of essays were based on a suitably biological topic although ...