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Chemistry Extended Essay Topics: 30+ Ideas to Get You Started

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by  Antony W

September 2, 2022

chemistry extended essay topics

Have you searched for the best IB Chemistry Extended Essay topics but you haven’t found any that’s useful for further investigation?

Or maybe you don’t know how to choose a topic for the subject and you need guidance?

Continue reading this guide to learn more.

What is an Extended Essay in Chemistry?

An extended essay in chemistry gives you the chance to study a specific area of our environment's components.

Within a more broad set of research standards, the essay should highlight a particular chemical aspect.

The result of the study should be a logical and organized piece of writing that effectively tackles a certain subject or research question and reaches a specific, and ideally personal, conclusion.

Chemistry Extended Essay Writing Help

Are you struggling with topic selection for your Chemistry EE? Or maybe you have no idea how to start your preliminary research to develop your research issue?

You can contact Help for Assessment right now for professional help.

If you’re asking yourself  who can write my Extended Essay for me ,  you can be sure that our platform has the writing team that you’re looking for. We can help you with IB Chemistry EE topic selection, conduct preliminary research, develop a relevant research issue, and get the writing done.

It doesn’t matter whether you’ve run out of time or your grasp of Chemistry is weak.

We connect you with professional writers with experience in the subject, so you never have to worry about quality and relevance of the work you get from us. 

Take advantage of this writing service, and let us help you score top grades in your Chemistry EE.

How to Choose Chemistry Extended Essay Topics

Below are some points that will help you to choose the best Chemistry extended essay topics:

1. Pick a Topic Focused on Chemistry

It is essential that the emphasis of the extended essay be on chemistry, and not on another subject.

Chemistry is the study of the composition, classification, and change of substances.

Therefore, a long essay in chemistry should include chemical principles and theory and underline the core character of chemistry, which is the study of matter and its transformations.

2. Pick a Topic for Which You Can Provide a Chemistry-based Approach

Although the same evaluation criteria apply to all extended essays, the topic chosen for a chemistry extended essay must provide a different chemistry-based approach.

Whereas you can handle a topic from several perspectives, you have to treat everything from a chemical standpoint.

For instance, if registered as a chemistry extended essay, a biochemistry extended essay will be evaluated based on its chemical content, not its biological content.

3. Pay Attention to the Assessment Criteria

The topic's breadth and accompanying research should allow for the consideration of all criteria.

An excellent subject is one in which the single research question is focused and may be adequately addressed within the word limit.

Perhaps the most crucial component is your ability to provide an in-depth analysis of the issue.

Broad or complex survey topics (such as investigations into health problems caused by water pollution, chemotherapy for cancer treatment, or the use of spectroscopy for chemical analysis) will not allow you to discuss opposing ideas and theories or produce an in-depth personal analysis within the word limit.

4. Avoid Topics that Raise Safety Concerns

Some topics may not be acceptable for examination due to safety concerns.

You should not experiment using poisonous or hazardous chemicals, carcinogenic compounds, or radioactive materials, for instance, unless suitable safety equipment and competent supervision are available.

5. Avoid Topics Whose Outcomes are Already Documented in Textbooks

Other topics may not be appropriate since the outcome is well documented in standard textbooks and the student may not be able to demonstrate personal involvement.

Example: a study of the interactions of alkali metals with water, which is previously covered in the curriculum.

However, you must use caution when determining if a topic is appropriate; for instance, the study of the allotropes of carbon may have been considered trivial in the past, but this is no longer the case.

Related Reading

  • Chemistry Extended Essay Complete Guide
  • Physics Extended Essay Guide for IB Students
  • Computer Science Extended Essay

IB Chemistry Extended Essay Topic Ideas

The following are some Chemistry Extended Essay topic ideas that you can start exploring right away – or just use for inspiration.

  • How does the flower come into being?
  • Why do plants grow while submerged in water?
  • The influence that shifts in climate have on the reproductive processes of plants
  • Sugar and cocaine are both very addictive.
  • Why do some individuals consume more food but still manage to seem thin?
  • What causes the pollen tube to develop, and how does pollination take place in isolated areas?
  • The several kinds of eucalyptus trees
  • The impact that rising temperatures are having on plant life.
  • What is the one item that is absolutely necessary for the development of plants?
  • The process of photosynthesis that takes place in the absence of sunlight
  • The connection between the brain and the rest of the body The health and safety regulations regarding the preservation of cow milk for commercial purposes
  • What distinguishes plants that grow in water from those that grow on land?
  • The effectiveness of pollination by different species
  • The possibility that medications used to treat pain and other similar substances might be harmful to the human brain.
  • How can plants be used as a kind of treatment?
  • Is it feasible for plants growing in the same environment to act in a variety of ways?
  • What kind of an impact does a shift in habitat have on the touch-me-not plant?
  • The phases of development that occur in a fetus
  • Ultrasound's influence on the ratio of elimination to substitution yields in the reaction of halogenoalkanes with sodium hydroxide.
  • How does the equilibrium change when you replace hydrogen in ethanoic acid with groups that pull electrons and release them?
  • Diaper gel (sodium polyacrylate) absorbs liquids, but how much sodium chloride (as well as the solution's pH) depends on how much water is present.
  • A Green Chemistry approach is used to studying the synthesis of vanillyl alcohol from vanillin and sodium borohydride.
  • Raw milk's accessible calcium is studied in relation to the temperature at which it was heated, and lab-treated milk is compared to commercially-processed milk.
  • Thanaka powder and traditional sunscreens are compared for their thermal stability and photostability.
  • Analysis of catalase denaturation during the breakdown of hydrogen peroxide
  • Visible light absorption by 1,x-dihydroxyanthraquinone as a function of the location of the second hydroxyl group.
  • Temperature's impact on the fading kinetics of a photochromic dye was studied using spectrophotometry.

Final Thoughts

There are many IB Chemistry Extended Essay topics, but these ones should be good for a start, especially if you’re already struggling to find topics in the first place.

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.

Chemistry Extended Essay Topic Ideas and RQs for IB Students

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Table of contents

  • Writing Metier

Greetings, future innovators and explorers of the chemical world! As a co-founder of Writing Metier , a platform dedicated to fostering the academic growth of IB students, it’s my pleasure to introduce you to THE LIST of good and the most important – working IB Chemistry extended essay topics. 

The adventure through chemistry is a quest for knowledge, spanning the micro to the macro, from the intricacies of molecular bonds to the grandeur of environmental chemistry. 

Our mission is to light the path for your exploration, offering a rich array of topics that serve as academic pursuits and as gateways to real-world impact. 

Thanks to the help of our IB writers , no I am able to break the list into various categories to cover as many ideas as possible.

Here’s a comprehensive guide that spans various aspects of chemistry, designed to spark curiosity and encourage in-depth exploration.

Organic Chemistry

  • Synthesis of Biofuels : Investigating methods for producing biofuels from organic waste materials.
  • Pharmaceutical Chemistry : Exploring the synthesis and analysis of pharmaceutical compounds.
  • Green Chemistry : Developing sustainable and environmentally friendly synthesis methods.

Inorganic Chemistry

  • Coordination Compounds : Examining the properties and applications of coordination compounds in medicine and industry.
  • Catalysis : Investigating the role of catalysts in speeding up chemical reactions, with a focus on industrial applications.
  • Metal Extraction : Analyzing methods for extracting metals from ores using different chemical processes.

Physical Chemistry

  • Thermodynamics : Exploring the energy changes that occur during chemical reactions.
  • Kinetics : Investigating the factors that affect the rate of chemical reactions.
  • Spectroscopy : Using spectroscopy techniques to identify chemical compounds.

Environmental Chemistry

  • Atmospheric Chemistry : Studying the chemical composition of the atmosphere and its impact on climate change.
  • Water Quality Analysis : Analyzing pollutants in water sources and their effects on the environment.
  • Soil Chemistry : Investigating soil contamination and remediation techniques.

Analytical Chemistry

  • Food Chemistry : Examining the chemical processes involved in food production and preservation.
  • Forensic Chemistry : Using chemical analysis to solve forensic cases.
  • Pharmaceutical Analysis : Determining the composition and purity of pharmaceutical products.

Theoretical Chemistry

  • Quantum Chemistry : Exploring the application of quantum mechanics to chemical problems.
  • Computational Chemistry : Using computer simulations to solve chemical problems and predict the properties of molecules.
  • Molecular Modeling : Designing and modeling new molecules for specific applications.

Materials Chemistry

  • Nanotechnology : Investigating the synthesis and application of nanomaterials.
  • Polymer Chemistry : Studying the synthesis and properties of polymers.
  • Battery Technology : Exploring the chemistry behind battery materials and energy storage solutions.

Whether you’re passionate about creating sustainable solutions or unraveling the complexities of chemical reactions, this guide is designed to spark your imagination and set the stage for a journey of significant discovery.

Before I proceed to the list, I’ll also suggest that everyone who is interested in Chemistry check our article with the awesome IB IA Chemistry topics list. Moreover,you can always get assistance with writing your IB Chemistry extended essay from our experts at Writing Metier.

Each topic you’ll encounter is a step toward not only mastering the principles of chemistry but also applying them in ways that challenge, innovate, and inspire.

Are you ready for the list?

IB Chemistry EE Topic Ideas List

Chemistry Extended Essay Topic Ideas

Below is a list of Chemistry Extended essay topics and research questions for each subcategory I’ve mentioned above, designed to align with IB Extended Essay criteria and, most importantly, spark interest in ambitious students who selected IB Diploma Program.

We’re stepping into an arena where the building blocks of life become the playground for our curiosity. 

Here, we explore how everything from the fuels that power our world to the medicines that keep us healthy are crafted. It’s a space where creativity meets science, transforming simple carbon chains into complex life-improving compounds.

Synthesis of Biofuels

  • Research Question: How do varying feedstocks affect the efficiency and sustainability of biofuel production?
  • Research Question: Which method offers a more sustainable and efficient pathway for biodiesel production: enzymatic or chemical?

Pharmaceutical Chemistry

  • Research Question: How does the synthesis process affect the purity and effectiveness of aspirin?
  • Research Question: Can specific chemical compounds enhance the effectiveness of existing antibiotics against resistant bacteria?

Green Chemistry

  • Research Question: How do catalysts improve the efficiency and environmental impact of biodegradable plastics synthesis?
  • Research Question: How can the principles of green chemistry be applied to reduce waste in industrial chemical syntheses?

Moving on from the carbon-centric universe of Organic Chemistry, we find ourselves in the diverse and often colorful world of Inorganic Chemistry. 

This is where metals, minerals, and other non-carbon elements take center stage, revealing a spectrum of compounds that influence everything from technology to medicine.

In Inorganic Chemistry, we venture beyond the realm of carbon to explore the vast array of elements that make up our world. From the coordination compounds that color our fireworks to the metals at the heart of our electronic devices, this field is about the endless possibilities that arise when we combine different elements from the periodic table.

Coordination Compounds

  • Research Question: How does changing ligands in coordination compounds affect their color and absorption spectra?
  • Research Question: How do specific coordination compounds enhance the efficiency of photocatalytic reactions?
  • Research Question: How do heterogeneous catalysts compare in efficiency and selectivity in the production of biofuels?
  • Research Question: Can nano-catalysts significantly improve the decomposition rates of common industrial pollutants?

Metal Extraction

  • Research Question: How do different hydrometallurgical techniques affect the efficiency and purity of copper extraction?
  • Research Question: Is bioleaching a more environmentally friendly method for gold extraction compared to traditional methods?

As we leave the tangible world of compounds and crystals, we approach the more abstract but equally thrilling domain of Physical Chemistry. 

Here, we zoom in even further, examining the very essence of chemical reactions and the energy that powers them.

Welcome to Physical Chemistry, where the micro meets the macro in the most fascinating ways. This is where we get to decode the secrets behind the energy changes in reactions , the speed at which they occur, and the advanced techniques we use to peek into the molecular realm. 

It’s like being a detective, but for molecules, uncovering clues about how and why reactions happen.

Thermodynamics

  • Research Question: How do temperature changes affect the efficiency and voltage output of electrochemical cells?
  • Research Question: How do energy changes in endothermic and exothermic reactions compare in terms of reaction spontaneity?
  • Research Question: How does the introduction of different catalysts affect the decomposition rate of hydrogen peroxide?
  • Research Question: How does varying the temperature influence the rate of esterification reactions?

Spectroscopy

  • Research Question: How effective is UV-Vis spectroscopy in measuring the concentration of specific pollutants in water samples?
  • Research Question: How can infrared spectroscopy be used to identify and distinguish between different organic compounds?

From the microscopic interactions in Physical Chemistry, we broaden our view to the impact of chemicals on our planet in Environmental Chemistry. It’s about understanding how chemical reactions don’t just happen in labs but are ongoing in the air we breathe, the water we drink, and the soil that feeds us.

Environmental Chemistry takes us into the heart of our natural world, examining how chemicals play a role in everything from the air quality in our cities to the health of our oceans. 

This is our chance to see how chemistry directly impacts our environment and what we can do to protect it. It’s a call to action, using our chemical knowledge for the greater good.

Atmospheric Chemistry

  • Research Question: What role do nitrogen oxides play in the formation of urban smog, and how can their impact be mitigated?
  • Research Question: How does the chemical composition of rainwater in industrial areas reflect the presence of atmospheric pollutants?

Water Quality Analysis

  • Research Question: How do agricultural runoff and the presence of nitrates and phosphates affect the quality of water in local waterways?
  • Research Question: What are the sources and potential health impacts of heavy metal contamination in urban drinking water supplies?

Soil Chemistry

  • Research Question: How does acid rain alter soil pH levels and affect the availability of essential nutrients for plant growth?
  • Research Question: What are the most effective chemical remediation techniques for restoring oil-contaminated soils?

After considering the broad environmental impacts, let’s zoom back in on the specifics with Analytical Chemistry. Here, we focus on the tools and techniques that allow us to measure, analyze, and understand the chemical makeup of our world.

In Analytical Chemistry, it’s all about the details. Whether we’re testing food for safety, analyzing forensic evidence, or ensuring the quality of pharmaceuticals, this field equips us with the precision to quantify the chemical components of various substances. 

It combines chemistry and detective work, where accuracy can solve mysteries and save lives.

Food Chemistry

  • Research Question: How can chromatographic techniques be used to detect and quantify adulterants in olive oil?
  • Research Question: How do different cooking methods affect the retention of vitamin C in commonly consumed vegetables?

Forensic Chemistry

  • Research Question: How can chemical analysis of bodily fluids contribute to determining the time of death in forensic investigations?
  • Research Question: How can the composition and distribution of gunshot residue be used to reconstruct crime scenes?

Pharmaceutical Analysis

  • Research Question: How do different storage conditions affect the stability and efficacy of vitamin supplements?
  • Research Question: What methods can be used to evaluate the purity and dosage accuracy of over-the-counter painkillers?

Leaving the hands-on world of analysis, we venture into the theoretical landscapes of Theoretical Chemistry. This is where imagination and mathematics converge , allowing us to predict and model the behaviors of atoms and molecules in ways we can’t always see.

Theoretical Chemistry invites us into a world of possibilities, where we use computers and equations to unlock the mysteries of chemical behavior. 

Here, we’re not just observing what happens; we’re predicting what could happen, exploring everything from the quantum level to complex molecular structures. It’s about pushing the boundaries of what we know and venturing into new territories of understanding.

Quantum Chemistry

  • Research Question: How does quantum chemistry contribute to predicting the interaction between drugs and their target molecules?
  • Research Question: How can quantum mechanics principles be applied to explain the bonding and structure of complex molecules?

Computational Chemistry

  • Research Question: How can computational chemistry techniques be used to predict protein folding and its implications for diseases?
  • Research Question: How accurate are computational methods in estimating the energies of chemical reactions compared to experimental data?

Molecular Modeling

  • Research Question: How can molecular modeling be used to design efficient catalysts for use in green chemistry applications?
  • Research Question: How does molecular modeling aid in the development of new materials for renewable energy sources, such as solar cells?

From the abstract models of Theoretical Chemistry, we transition to the tangible innovations of Materials Chemistry. This field is where theory meets application, leading to the development of new materials that shape the future of technology and society.

Materials Chemistry is where innovation takes form. From the nanomaterials that could revolutionize medical treatments to the polymers that reduce our environmental footprint, this field is about creating the future. 

It’s an exciting intersection of chemistry, engineering, and imagination, driving us towards solutions for some of the world’s biggest challenges.

Nanotechnology

  • Research Question: How can nanoparticles be engineered to improve the efficiency and targeting of drug delivery systems?
  • Research Question: How do nanomaterials contribute to enhancing the efficiency of solar panels?

Polymer Chemistry

  • Research Question: How do biodegradable polymers decompose, and what is their environmental impact compared to conventional plastics?
  • Research Question: How can conductive polymers be used in the development of flexible electronic devices?

Battery Technology

  • Research Question: What are the key chemical reactions that occur in lithium-ion batteries, and how do they affect battery life and efficiency?
  • Research Question: What are the most promising chemical alternatives to lithium-ion batteries for sustainable energy storage solutions?

These topics and research questions aim to inspire IB Chemistry students to explore the frontiers of chemical science, fostering a deep understanding and appreciation for the subject’s potential to address real-world challenges.

I hope these ideas will help in understanding the fundamental processes that shape our world and how we can harness them to improve our lives and protect our planet.

Select IB Chemistry EE Topic Wisely, My Friend

As I wrap up this guide with an amazing and detailed list of IB Chemistry Extended essay topics, I hope you feel inspired and ready to take on the challenge. 

The journey ahead is one of inquiry and perseverance, where your questions and experiments can lead to insights that resonate far beyond the classroom. At Writing Metier, our commitment to your success is unwavering. 

We’re here to assist you with all the complexities of your research and writing process, ensuring that your Extended Essay stands as a testament to your dedication and intellectual curiosity. 

As you select your topic, remember that your work has the potential to illuminate unknown aspects of chemistry and make a meaningful contribution to the scientific community. 

extended essay topics in chemistry

With Writing Metier’s chemistry essay writers by your side, your exploration into chemistry is not just an academic requirement; it’s an opportunity to leave your mark on the field. Together, let’s turn curiosity into discovery, transforming the theoretical into the tangible.

Free topic suggestions

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

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100 IB Extended Essay Topic Ideas!

extended essay topics in chemistry

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

Extended Essay: The Love/Hate aspect of the IB

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

Get Support from A Top Tutor Today

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

How to Begin Your IB Extended Essay

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

Get Support from a Top Tutor Today

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

10 Steps to Writing an Extended Essay

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

1. Define the Topic and Draft the Research Question

2. Create a Timeline

3. Identify and gather Sources

4. Set Deadlines

5. Plan the structure according to the total word count

6. Evaluate

7. independent Research

8. Write the extended essay draft

10. Present

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

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

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

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

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

3. Can photosynthesis take place without sunlight?

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

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

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

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

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

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

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

11. How does human influence impact an aquatic ecosystem?

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

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

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

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

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

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

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

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

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

21. What is the profitability of  airline companies ?

22. How does unemployment affect the market?

23. Why did X recession occur?

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

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

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

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

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

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

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

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

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

33. How does  X hormone affect human behavior ?

34. Compare theories explaining altruism in human behaviour

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

36. Why do relationships change or end?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

English Literature

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

66. What is the Oberth Effect?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

81. The kinetics of Enzymatic Reactions.

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

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

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

85. Can caffeine in tea or coffee be reduced?

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

87. What are the sources of error in calorimetry?

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

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

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

Social and Cultural Anthropology

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

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

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

94. The history of rituals in X culture.

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

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

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

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

100. Chaste systems and social ranks in societies.

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

– Information technology

– Computer science

– Health science

– World studies

– Visual arts

– Business management

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

Start Writing Your Extended Essay Topic

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

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

Grab Free Extended Essay Resources!

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

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  • IB Extended Essay

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

What Should You Write About in Your IB Extended Essay?

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

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

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

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

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

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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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IB Chemistry/Extended Essay

  • 1.1 Non-coalescing drops
  • 1.2 Thiosulphate/acid reaction (‘disappearing cross’)
  • 1.3 How can we assess the amount of oil contamination on beaches?
  • 1.4 Synthesis and isolation of propanoic acid from propan-1-ol.
  • 1.5 Making biodiesel from waste vegetable oil.
  • 1.6 Analysing the gases remaining after burning a candle in a gas jar.
  • 1.7 Extraction of caffeine from tea.
  • 1.8 Other suggestions
  • 1.9 References

Suggestions [ edit | edit source ]

Here is a list of suggestions for Science Investigations. Please add/amend/extend the list as you see fit. This is essentially a brainstorm ...

Non-coalescing drops [ edit | edit source ]

Some industries will mix liquids by cascading one liquid into another, assuming mixing will be complete. These drops may prevent complete mixing and need to be investigated.

Recent research has shed light on this phenomenon: The fast-moving shiny drops that skid across the surface of soapy water. Detergents play a crucial role – but how does the concentration of detergent affect the drops? What about ‘non-ionic’ detergents? What about a surface of anionic detergents and drops of cationic ones?

Challenges: Making drop-producing apparatus, Researching the chemistry of detergents, Assessing the numbers of drops

Thiosulphate/acid reaction (‘disappearing cross’) [ edit | edit source ]

Chemical engineers wishing to check if turbidity is a useful surrogate measurement for whether a reaction has reached completion.

How does the reaction respond to changes in acid concentration (it is first order for thiosulphate concentration but varies from first to zero order with acid).

How can we assess the amount of oil contamination on beaches? [ edit | edit source ]

Various groups will want to assess oil contamination, and a simple quick method would be appreciated.

The method used solvent extraction. Sand samples were laced with oil and the efficiency of recovery was measured. The sensitivity of the method was also estimated.

Synthesis and isolation of propanoic acid from propan-1-ol. [ edit | edit source ]

Chemical suppliers who want to investigate production of this chemical.

Trialling different methods.

Making biodiesel from waste vegetable oil. [ edit | edit source ]

Motoring enthusiasts who want to make their own environmentally-friendly and cheap fuel.

By using methanol and sodium hydroxide it is possible to make diesel fuel from old chip fat.

Analysing the gases remaining after burning a candle in a gas jar. [ edit | edit source ]

Motor vehicle engineers who want to check the composition of exhaust gases.

CO 2 is easy; it is readily absorbed with NaOH.

O 2 is harder; an oxygen probe is very useful but otherwise oxygen could be absorbed by, for example, the slow reaction of steel wool.

CO is challenging; it will be absorbed by CuCl solution but it is in very low concentrations.

Extraction of caffeine from tea. [ edit | edit source ]

Suppliers or independent analysts want to assess the caffeine content of tea products. Chemical suppliers want to provide pure caffeine to clients.

[1] This method usually involves solvent extraction with a chlorinated alkane (e.g. dichloromethane or 1,1,1,-trichloroethane). With care it is possible to recycle the solvent and avoid health and environmental damage.

Other suggestions [ edit | edit source ]

  • Investigation of weak acid strengths/synthesis of new acids
  • Rate expression for tin/iodine reaction [2] – kinetics of a reaction
  • Nobili’s rings [2] – strange colours seen during electrolysis.
  • A transient red colour [2] – the chemistry of iron/sulphate complexes.
  • Liesegang rings [2] – stripey effects in gels.
  • Polarimetry to investigate concentrations of sugars. Suppliers of sugar syrups who want to assess their products.
  • Flame photometry to determine concentrations of aqueous ions. Analysis of mineral water samples to check manufacturers' claims.
  • Is the level of chloramines found in swimming pool water affected by temperature? [1] Swimming pool operators concerned about eye irritation amongst their customers.
  • Effectiveness of two major washing powders on five common household stains. [1] Consumer testing organisation who wants to test commercial claims.
  • Factors affecting the decomposition of biodegradable plastics. [1] Environmental agencies testing claims of environmental-friendliness from plastics manufacturers.
  • Studies of infrared spectroscopy: nature and applications. [1] Applications include breath-testing for alcohol and testing vehicle exhaust emissions.
  • NaCl and potential alternatives to NaCl as a roadway de-icer. [1] Highways agency investigating de-icers which cause less environmental damage - but at what cost?
  • Synthesis and analysis of hexane-3,4-diol. [1]
  • Calcium carbonate content of seashells. [1]
  • Characterisation of New Polyethylenes Prepared by Single-Site Catalysis. [1]
  • An Investigation Into The Uses Of Environmentally Friendly Additives/Alternatives To Petrol. [1]
  • Protein Purification. [1]
  • A study into the colour of ketchup. [1]
  • Comparison By Spectral Characterisation Of Myoglobin In Beef, Pork and Turkey. [1]
  • Spectrophotometric Determination of Trace Amounts of Iron in Plant Samples. [1]
  • The effect of disulphide reduction on the structure, and activity of Yeast Alcohol Dehydrogenase. [1]
  • Investigation into the effect of pH on the mechanism of glycation of phenylalanine as a model of the glycation of the B chain of insulin. [1]
  • Analysis of Vitamin C in Orange Juice through a Chemiluminescent Clock Reaction. [1]
  • Investigating the Effect of Different Halide Ions on the Stern Volmer Constant. [1]
  • Developing and Validating an Assay for Tissue Thiols and the Analysis of the Effects of Aging and Taurine on Tissue Thiols. [1]
  • Relation between the Slow Relaxation Time and Foaming of Selected ICI Surfactants. [1]
  • Purification of ibuprofen from commercial tablets.
  • Building a breathalyser.g
  • Titration of various commercial vinegar samples.
  • Titration of vitamin C content of commercial fruit juices.
  • Investigation in the synthesis of acetylsalicylic acid ( aspirin ).

References [ edit | edit source ]

  • ↑ a b c d e f g h i j k l m n o p q r s t Suggested IB Extended Essay projects
  • ↑ a b c d In search of more solutions - Royal Society of Chemistry resource book

extended essay topics in chemistry

  • Book:IB Chemistry

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IB Chemistry EE examples

Filter exemplars, 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., 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”, want to get full marks for your ee allow us to review it for you 🎯, effect of storage temperature and time on the vitamin c concnetration in citrus fruit juices, 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, which method of determination of the amount of copper in brass yields the most accurate result: iodometric titration, spectrophotometry or potentiometry, fast track your coursework with mark schemes moderated by ib examiners. upgrade now 🚀, determining the total mass phenolic and the total mass flavonoid contents of 5 different apple varieties, how does varying steamed or non-steamed vegetables affect the content of iron present, including the effect on an anemic individual’s diet, 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, what effects does varying the identity and concentration of cation in salt solutions; sodium chloride, potassium chloride and lithium chloride, have on aggregation of silver nanoparticles manufactured through a reduction reaction, how does varying the solution ph and sodium ethanoate concentration affect the rate and yield of ethane production from its electrolysis, how does the yield of synthesis gas obtained from pyrolysis compare to gasification in the chemical recycling of polyethene and polypropene, to what extent does the concentration of sulfuric acid in a lead-acid cell affect the voltage at the end of a discharge cycle and the accumulation of lead sulfate on a lead electrode at standard thermodynamic conditions, 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 does the storing time (8 years, 7 months, 5 months, 3 months, 1 month, 1 day) affect the composition of coca-cola drinks, considering h3po4 concentration and sugar content, 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 the pka of natural indicators, isobestic points and transmittance patterns vary from the pka of the universal indicator analysis by a spectrophotometer for finding the ideal indicator by prioritising its accessibility (cost of vegetables) and effectiveness for agricultural usage., is the amount of sulfur dioxide in disposable chopsticks a potential health hazard, an investigation into the effect of concentration of primary alcohols and hexane and the effect of the amount of carbon atoms within the alcohol to the enthalpy of combustion of the mixture, what is the effect of varying the amount of cac03 needed to reverse the effects of acid rain the acidity of soil", to what extent does the iodine value, and the acid value of the oil, and oxidative stability affect the hydrolysis rate of fatty acids in oil, an investigation into the chemiluminescence of luminol, comparison between the effects of the addition of various cations via salt solution on the aggregation of silver nanoparticles synthesized via the reduction method, “how quick is the rate of neutralization of 5 cm3, 1 m sodium hydroxide by fatty acids, produced through the hydrolysis of milk fat, catalyzed by lipase enzyme from different seeds”.

CHEMISTRY EXTENDED ESSAY

These subject guidelines should be read in conjunction with the IB extended essay general guidelines.

Introduction

An extended essay in chemistry provides a candidate with an opportunity to investigate personally a particular aspect of the materials of our environment. Such extended essays must be characterized by a particular chemical emphasis within a more general set of scientific criteria.

Choice of Topic

It is important that the extended essay has a clear chemical emphasis and is not more closely related to another subject. Chemistry is the science that deals with the composition, characterization, and transformation of substances. A chemistry extended essay should therefore incorporate chemical principles and theory, and emphasize the essential nature of chemistry, relating to the study of matter and of the changes it undergoes. Although similar criteria apply to all extended essays in the experimental sciences, for an extended essay submitted in chemistry the topic chosen must allow an approach which distinctly involves chemistry. Where a topic might be approached from different viewpoints, the treatment of the material must be approached from a chemical perspective.

An extended essay in an interdisciplinary area such as biochemistry will, if registered as a chemistry extended essay, be judged on its chemical content, not its biological content. The scope of the topic and the research associated with it should enable all the criteria, particularly the subject specific criteria, to be addressed. A good topic is one where the single research question is sharply focused and is susceptible to effective treatment within the word limit. Perhaps the most important factor is the depth of treatment that can be given to the topic by the candidate.

Some topics may be unsuitable for investigation because of safety issues. For example, experiments involving toxic or dangerous chemicals, carcinogenic substances or radioactive materials should be avoided unless adequate safety apparatus and qualified supervision is available.

Other topics may be unsuitable because the outcome is already well known and documented in standard text books and the candidate may not be able to show any personal input. An example might be a study of the reactions of the alkali metals with water as this is already covered by the syllabus. However some care does need to be exercised in deciding whether a topic is suitable or not; for example, a few years ago the study of the allotropes of carbon may have been thought to be trivial but this would not be the case today.

The following examples of titles for chemistry extended essays are intended for guidance only. The pairings illustrate that focused topics (indicated by the first title) should be encouraged rather than broad topics (indicated by the second title).

  • "Spectrophotometric determination of trace amounts of lead in drinking water" is better than "Water analysis".
  • "The kinetics of oxidation of iodine ions with hydrogen peroxide in acidic solutions" is better than "Chemical kinetics".
  • "The analysis of the red dyes present in different brands of tomato ketchup by thin layer chromatography" is better than "The use of chromatography to separate materials".
  • "Is it better to use dried animal manure as a fertilizer or as a fuel?" is better than "Combustion and nitrogen analysis".
  • "The effects of sugar-free chewing gum on the pH in the mouth after a meal" is better than "Acid-base chemistry".

Other ideas for topics

Treatment of the Topic

An extended essay in chemistry may be based on literature, theoretical models or experimental data. Whichever category is chosen the candidate should ensure that sufficient data will be available for evaluation and that the topic can be researched accurately using locally available resources.

Candidates who choose to write an extended essay based on literature and/or surveys should ensure that their extended essay clearly shows its chemical basis. Essays written at the level of a newspaper or news magazine article are unlikely to achieve a high mark. Since chemistry is an experimental science, candidates are strongly encouraged to undertake experimental work as part of their research, although this is not compulsory. Any experimental work which does form part of a chemistry extended essay should be described in sufficient detail to allow the work to be repeated by others, and candidates are strongly encouraged to research the literature first. Where possible, they should consult original research using scientific journals, personal communications and, where appropriate, the Internet. Textbooks should never be the only source of information. Data collected from an experiment designed by the candidate is of little value unless it is analysed, using appropriate scientific techniques, evaluated and perhaps compared with appropriate models.

It is possible to produce an extended essay in chemistry in which the candidate has used data collected elsewhere as the primary source. In such cases, the element of personal analysis and evaluation is important.

In any chemistry extended essay candidates should be able to demonstrate that they understand the theory underlying any experimental work and state any assumptions made. They should show an understanding of the results obtained and be able to interpret them with reference to the research question posed. They should be critical of inadequate experimental design, the limitations of the experimental method and any systematic errors. Candidates should be encouraged to consider unresolved questions in their research, and to suggest new questions and areas for further investigation in their conclusion.

Assessment Criteria

SHOULD I DO A CHEMISTRY EE?

  • Doesn’t need to be too theoretical
  • Not as much essay style writing
  • Much more support from your supervisor
  • Can be a lot of fun if you like practical work
  • Background research is sometimes difficult to find
  • Often can run into problems  with experiments
  • Data collection can be long

The EE guide that has everything in it.

The IB’s full marking criteria including grade bands.

The Chemistry specific section of the guide.

  • I didn’t get full marks, and I have no idea what I got in each criterion
  • This EE is in electrochemistry so it may have no bearing on your EE
  • I added an abstract which is no longer compulsory and barely anyone does but I needed it

MY EXPERIENCE

easy peasy lemon squeezy meme

IF YOU'RE NOT INTERESTED IN CHEMISTRY, DON'T DO A CHEMISTRY EE

Somewhere along the way you’ll likely run into errors in calculations, theory or data. You need passion and determination to get through it.

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  • Extended Essays
  • 2014 DP Chemistry (Last exam Nov 24)

Along with Theory of Knowledge (TOK) and Creativity, Activity, Service (CAS) the Extended Essay (EE) forms part of the core requirement of the IB. In order to be awarded the Diploma all students must complete an Extended Essay in an IB approved subject of their choice. For most chemistry teachers looking at this page the IB approved subject will be chemistry but remember that your students can also choose to submit a...

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Example essays

The International Baccalaureate® (IB)  programme resource centre,  a key resource for educators at IB World Schools, includes several examples of  extended essay titles .

These highlight the diverse range of topics covered by International Baccalaureate® (IB) Diploma Programme (DP) students during their extended essays.

Some examples are:

  • “An analysis of costume as a source for understanding the inner life of the character”
  • “A study of malnourished children in Indonesia and the extent of their recovery after a period of supervised improved nutrition.”
  • “Doing  versus  being: language and reality in the Mimamsa school of Indian philosophy.” 
  • “The effects of sugar-free chewing gum on the pH of saliva in the mouth after a meal.”
  • “To what extent has the fall in the exchange rate of the US dollar affected the tourist industry in Carmel, California?”
  •  “What level of data compression in music files is acceptable to the human ear?”

Also available in the programma resource centre , the Diploma Programme Assessment Procedures has guidance on choosing a subject for the extended essay.

The PRC is only available to existing IB World Schools.

You can also purchase examples of essays in the IB Store . These essays fulfil the requirements for an ‘A’ grade in the extended essay.

If your school is not one already, learn how to become an IB World School  in order to implement the DP.

extended essay topics in chemistry

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How to Write a Chemistry Extended Essay? IB Guide

The Chemistry extended essay is a blend of scientific research and academic writing.

Luke MacQuoid

Ah, the thrill of the IB program! I remember when I first faced the daunting task of writing my extended essay in Chemistry . Having been through the wringer, I now have a few insights that can help budding IB students like yourself. 

Introduction to Chemistry Extended Essay

The International Baccalaureate (IB) curriculum presents its fair share of challenges, and the Chemistry extended essay stands tall among them. If you’re scratching your head and wondering, “What exactly is this paper?” Allow me, a seasoned IB tutor, to explain.

What Is an Extended Essay in Chemistry?

In simple terms, an extended essay in Chemistry represents a harmonious blend of detailed scientific inquiry with the finesse of academic writing. It offers a platform for you to showcase your expertise on a topic that genuinely intrigues you. Having trodden this path before, I can vouch for its sheer significance. With its vast scope of 4,000 words , this essay reflects your dedication, analytical acumen, and capacity for independent research.

Why It’s Crucial for IB Students

You might be pondering, “Why give this essay such prominence?” First and foremost, it’s an integral element of the IB Diploma Programme . But beyond the academic requirements, the extended essay cultivates skills that are golden tickets in higher education and the professional realm. Here’s the essence of what the Chemistry extended essay offers:

  • Broadened Understanding . Venturing into a chosen topic enriches your knowledge, surpassing standard curriculum confines.
  • Refinement of Research Skills . The entire path, from hypothesis formulation to results analysis, sharpens your investigative abilities.
  • Writing Skill Enhancement . Crafting a lucid, logical, and engaging narrative is a skill, and this process hones just that.
  • Mastery in Time Management . Juggling school responsibilities with the demands of an essay can mold you into a time management maestro.
  • Evolution of Critical Thinking . Evaluating validity, interpreting data, and building a logical argument help nurture your critical thought process.

Conclusively, the extended essay isn’t just a task; it’s an invaluable learning experience for every IB scholar. This essay promises growth, understanding, and academic prowess regardless of your future aspirations. I believe the proficiencies you develop here will serve you well in many circumstances.

Choosing the Perfect Topic for Your Paper

If you’re part of the IB curriculum, you know how pivotal this extended essay is. From my experience, choosing the right topic can make or break your extended essay in Chemistry. This step is crucial in your work. Over the years, I’ve noticed some patterns in the most successful IB Chemistry extended essay topics :

  • The Role of Transition Metals in Catalyzing Organic Reactions
  • Exploring the Structural Variations in Different Types of Polymers
  • Molecular Gastronomy: The Intersection of Chemistry and Culinary Arts
  • Effects of Temperature on Enzyme Activity
  • Environmental Chemistry: Assessing pH Variations in Local Water Sources and Its Impacts
  • Antioxidant Properties of Common Fruits
  • The Role of Chemistry in Sustainable Energy: Hydrogen Fuel Cells
  • Chemical Properties of Natural vs. Synthetic Fibers
  • Chiral Drugs in the Pharmaceutical Industry
  • Pharmacological Evolution: The Chemistry of Antibiotic Resistance
  • Impact of Heavy Metals on Aquatic Life
  • Isolation of Caffeine from Tea Leaves
  • The Chemistry Behind Fermentation and Flavor Profiles in Wines
  • Synthesis and Applications of Biodegradable Plastics
  • Quantum Dots and Their Role in Modern Electronics

Chemistry extended essay research can be a bit intimidating.

The choices are vast, from organic reactions to the fascinating world of polymers. Yet, picking a topic that resonates with your interests and aspirations is essential. When contemplating extended essay topics in Chemistry IB, consider feasibility and accessibility to research resources. I’ve seen countless students become overly ambitious, only to realize too late that their issue was too vast or complex.

Crafting Your Chemistry Extended Essay Outline

Constructing an outline for your Chemistry extended essay is akin to laying down the blueprint for a grand edifice. In this preliminary phase, the raw chaos of ideas begins to take on a structured form. In my years of mentoring IB students, I’ve come to believe that the real magic starts with the outline.

By meticulously organizing your thoughts at this stage, you set the scene for a coherent and compelling essay. If done right, this outline serves as the backbone, ensuring your paper progresses logically, weaving together all facets of your research into a harmonious narrative.

Transitioning from a broad topic to a refined argument requires clarity, and a well-thought-out outline provides just that. Every section, from the introduction to the conclusion, becomes a natural extension of the preceding one, eliminating abrupt jumps or gaps in your narrative.

 Over the years, I’ve noticed that essays rooted in robust outlines stand out for their academic rigor and ability to engage the reader. In essence, while this work might seem like a preparatory step, it is, in reality, the foundation upon which the entire edifice of your extended essay rests.

Tips for Conducting Research for Chemistry Extended Essay

Research, with its vast sea of information, can indeed seem overwhelming. But fret not! From my years of experience, I can attest that robust research is the foundation of a stellar extended essay in Chemistry. Here are some best practices to help you move through this critical phase.

First, in research, you need to understand the nature of your resources :

  • Primary Data . It is raw info, often collected firsthand by the researcher. It could be experimental results, surveys, or direct observations.
  • Secondary Data . It is info that has been previously collected and analyzed by someone else. Examples include book information, previously published research papers, or summarized statistics.

Also, venturing beyond your classroom notes is imperative. Broadening your horizons by tapping into a variety of resources can provide a richer perspective:

  • Textbooks . While they offer baseline information, they provide reliable and structured insights into complex topics.
  • Academic Journals . These are riches of cutting-edge research and development. Sites like Google Scholar or PubMed can be very resourceful.
  • Expert Interviews . Speaking to professionals in the field can offer nuanced insights and even guide you towards lesser-known resources.
  • Online Databases . Resources such as JSTOR or ScienceDirect host a multitude of research papers, offering in-depth studies on many topics.

In today’s age of information overload, it’s essential to discern the credibility of your sources. So, ensure that the authors or contributors are experts in their respective fields. Always favor articles and journals that have undergone peer review, as this adds an extra layer of validation to the content.

Chemistry Extended Essay: The Writing Process

Ah, the moment of truth — when thoughts form on paper (or screens)! From my experience, some elements are non-negotiable.

First, your research question needs to be clear and focused. The structure of your essay, ranging from the abstract to the conclusion, should be linear and logical. Diagrams, tables, and other visual aids can elevate your writing immensely. They can provide clarity and break the monotony of text.

extended essay topics in chemistry

Need help with your IB 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 wordcount and stringent IB criteria but also reflects your passion for selected IB group .

So, this essay is an intricate dance of ideas, and understanding the writing process can help streamline your efforts. Let’s break down the steps to ensure your work shines.

Setting the Stage with an Introduction

The beginning of your essay is your first impression. Here, you’ll lay the groundwork by introducing the central theme of your Chemistry extended essay. It’s vital to:

  • State the Research Issue . Clearly articulate what you aim to investigate.
  • Provide Background . Briefly touch upon why this topic is relevant or interesting.
  • Outline the Objective . Share what you hope to achieve by the essay’s end.

Starting with an engaging introduction is paramount. It is where you’ll mention the essence of your Chemistry extended essay and provide context.

Building Your Argument

This section is the heart of your essay. It’s where you present your findings, discuss methodologies, and make your case. To make this section impactful:

  • Present Data Methodically . Coherently organize your findings chronologically or based on importance.
  • Support with Evidence . Relevant and credible sources should back every claim.
  • Discuss Implications . Highlight why your findings matter in the grand scheme of things.

In essence, the writing process, though challenging, is your opportunity to weave a compelling and academically sound narrative.

Drawing Conclusions

As the final act, the conclusion carries the weight of summarizing your hard work and leaving a lasting impression. Here, it’s crucial to:

  • Reiterate Key Points . Refresh the reader’s memory about the essay’s significant aspects.
  • Discuss the Outcome . Did your research meet its objective? Any surprises?
  • Highlight Importance . Elaborate on the broader significance of your findings in the context of the Chemistry world.

As you progress from the introduction to the conclusion, ensure each section is a building block that adds value to the overall story of your Chemistry extended essay.

Chemistry Extended Essay Ideas and Inspiration

Sometimes, a little inspiration goes a long way. Over the years, I’ve come across many Chemistry extended essay ideas that were unique and impactful. Reviewing other successful works might spark some creativity if you’re feeling stuck. But remember, it’s about finding a topic that speaks to you personally.

Analyzing structure, research methodologies, and argumentation strategies in previous successful essays can offer valuable insights. However, the essence of such a paper lies in its personal touch. It’s a canvas where you paint with chemicals, reactions, and theories.

In the end, while guidance and examples can steer you, your curiosity and personal interest will truly breathe life into your essay. Whether you’re captivated by the mysteries of the universe or intrigued by the workings of the microscopic world, Chemistry, with its endless wonders, has a niche that resonates with your spirit.

Lastly, let’s consider the power of proofreading. Before submitting, always consult the Chemistry extended essay guide for structure and formatting tips. In my years as an IB tutor, I can’t stress enough how critical this final step is. A polished essay showcases your knowledge and your commitment to excellence. So there you have it, a comprehensive guide to writing an exceptional extended essay in Chemistry. Take your time, enjoy the process, and most importantly, make it uniquely yours.

And always remember that our team at Extended Essay Writers is here to assist you!

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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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Chemistry Essay Topics for Happy Students from AcademicHelp.net

If you don’t think you can handle the chemistry essay on your own, here are some offbeat titles for your academic chemistry paper:

  • Analysis of the Chemicals that Cause Particular Food Allergies
  • Plastic Packaging – a Look at Its Effect on the Environment
  • An Understanding of the Diet Soda Chemistry and How They Affect the Bone Structure
  • Deficiency of Vitamins in Human Bodies – a Look at Its Causes and Consequences
  • Analysis of the Use of Sugars for Batteries
  • Acid Rain in Your Neighborhood and Its Effects on the Plans
  • Plastics Packaging and Its Influence on Food
  • An Evaluation of the Chemical Composition of Lava Rocks
  • Understanding the Chemistry Behind Liquid Bandages
  • Pheromones and Their Effect on Humans
  • How Chemistry Brings Alterations to the World
  • Is Chemistry Involved in Generic Medicines?
  • The Chemistry Behind Dental Fillings
  • Wastewater Treatment
  • Molecularly Imprinted Polymers
  • Counter Electrodes Used for Solar Cell Applications
  • Branded Drugs vs. Generic Drugs
  • Different Preservatives Used in Carbonated Drinks
  • Plant Dyes in Dye-Sensitized Solar Cell Applications
  • What Types of Chemical Compounds Trigger the Majority of Human Allergies?

Chemistry Extended Essay Topics & Original Samples

We can provide you with a sample list of titles for your essay, research paper or dissertation. College students and undergraduates use our service on a daily basis for their writing tasks. Our writers will help you with a custom chemistry project of any difficulty level due to their educational level.

At AcademicHelp.net, we will check the structure of your essay, the thesis idea, and the subject. They will see if your analysis and research, the format, organization, and review meet academic requirements. Got stuck? Use a quick messaging system to get in touch with us 24/7.

If the topic has not been given for your organic or non-organic chemistry research paper, select some subject matter from the list we provided. Every topic on our website gives you a good room to find relevant research material and propose insights that showcase your ability to think critically and analyze. If you can’t do it on your own, we have dedicated writers and editors who can do that for you at a reasonable price.

Our writers know how to apply a scientific format for your paper which is important for creating reference pages and referencing source material. Our experts will help you to find out if the data you gather for your research by using libraries or online resources is genuine. We’ll keep an eye on if you’re writing down all the necessary reference information so as to not plagiarize and attribute everything you use.

Chemistry Essay Topics for High School & College Levels

Your essay may involve formulas and calculations. That is why it’s better to approach our experts, who will make sure you know how to place them in your research paper correctly, how to label them, and how to give necessary comments in your chemistry essay that further them. Your chemistry paper can be designed from your notes into a good outline so that you can build up a well-structured framework. This normally contains an introduction paragraph, main paragraphs that detail every aspect of your thesis, and a fine conclusion that entails a references page. If you’re not sure your structure is strong, our writers can check that with ease.

Once our writers receive your draft, they will place all the chemistry essay parts together, revise, and reread it for some editing. We will check if your grammar, spelling and sentence structure are correct and the body parts are transitioned in a logical manner continuing to connect to your thesis statement.

Writing in the field of chemistry is kind of similar to other disciplines because your chemistry paper should show a clear purpose and explanation why you carry out this research, your thesis statement (or main idea) that identifies a particular problem to resolve, and any other information. Our writers will show you where you have to include the appropriate evidence in your chemistry paper, such as tables, graphs, and figures in order to support your statement. But first and foremost, start with offered chemistry essay topics as you need to pick the most outstanding one and make your whole coursework an unprecedented success.

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extended essay topics in chemistry

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The current topic of my current chemistry extended essay is the optimisation of the voltage produced by a half-cell by changing the temperature and electrolyte of the cell and using that to mathematically model the output voltage produced by the cell as a function of those variables. However, during research I learnt about the existence of the Nernst Equation and realised I was simply investigating that. I also found a few threads online of people who did this topic as an IA instead of an extended essay which leads me to fear my Extended Essay topic is too simple. 

Could anyone give me advice on whether this would be a suitable extended essay topic. If not, are there any possible modifications I could make to my research topic. I am also open to alternate suggestions or even possible nudges in the direction of different topics I could choose to research in. I am very passionate about Chemistry and would like to do my Extended Essay in the subject.

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The topic is not bad. At the end of the day, the EE is about writing and not just about the experiment. So it just means you need to give at least twice as much analysis as an IA without being wordy or redundant. 

Some questions to consider

1) There are some tabulated cell potentials for different salt solutions but same reaction. What accounts for the difference?

2) (Beyond syllabus) What is an ideal solution? What may be some downsides to using concentration in measuring Q (reaction quotient)? Does Q takes into considerations of the different salts present in solution? Another way of saying this is, if you find discrepancy between Ecell and what is predicted by Nernst Eq, is it more likely that the equation is wrong or Q is imprecise?

3) calibration  How do you make sure your instruments do not have zero offset errors  before  you start the experiment? Or, how can you account for the zero-offset? Could the zero-offset be depended upon temperature?

Thank you for your response. I was wondering if attempting to quantify catechins in tea using cylic voltammetry would be a better extended essay topic. I feel it is more unique than my other topic and is also more sophisticated.

It is more interesting and requires more theory but I wouldn't say it's necessarily a better topic. Obviously if you already are very familiar with cyclic voltammetry then this is definitely a better topic but I wouldn't say so if you are not familiar with the technique and have to learn it on your own.

It also requires a lot of equipment my school may not have. Thank you for all your help. Do you believe it is possible to get an A with my original topic if the essay is written well? I am just worried cause my teacher has told us of students who scored very poorly due to doing overly simple topics for their extended essays.

I think it's very possible, but given the scarcity of As in EE in general, it's by no means a likely situation. 

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