What are Chemistry EE examples?

Chemistry EE examples are real student coursework samples that help you understand structure, rubric expectations, and the standard of work expected in IB Extended Essay.

How should I use these examples?

Use them to compare structure, evidence, feedback, and scoring patterns. Do not copy the topic or wording; use the examples to improve your own planning and revision decisions.

Are these examples useful for understanding IB marking?

Yes. Examples with score and feedback signals help you connect concrete student work to the assessment criteria and understand what stronger submissions tend to do well.

IB Chemistry EE HL Examples

How does the type of humectants (glycerin, hyaluronic acid, sodium lactate, aloe vera extract, alpha hydroxy acids (AHA)) influence the percentage of water retained in moisturizers (%) over 10 hours at a room temperature?

Pro

To what extent does the presence of polyethylene (PE) microplastic influence the photo degradation kinetics of methylene blue in aqueous solutions under natural sunlight exposure, monitored using UV-Visible Spectrophotometry?

Pro

Effect of heating on vegetable oils

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To what extent can various analytical methods, such as Spectrophotometry, Gravimetry, and Iodometric Titration, accurately measure copper content in brass alloys, and what are the implications of their respective strengths and limitations on the accuracy and precision of the obtained results?

Pro

IB Chemistry EE HL Examples

How does the type of humectants (glycerin, hyaluronic acid, sodium lactate, aloe vera extract, alpha hydroxy acids (AHA)) influence the percentage of water retained in moisturizers (%) over 10 hours at a room temperature?

To what extent does the presence of polyethylene (PE) microplastic influence the photo degradation kinetics of methylene blue in aqueous solutions under natural sunlight exposure, monitored using UV-Visible Spectrophotometry?

Effect of heating on vegetable oils

To what extent can various analytical methods, such as Spectrophotometry, Gravimetry, and Iodometric Titration, accurately measure copper content in brass alloys, and what are the implications of their respective strengths and limitations on the accuracy and precision of the obtained results?

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Chemistry EE Grade A examples

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