Extended essay chemistry experiments


For example, experiments involving toxic or dangerous chemicals, carcinogenic substances or radioactive materials should be avoided unless adequate safety apparatus and qualified supervision are available. In order to place their research into the appropriate context, students should research the area of the investigation before commencing any experimental work.

I've used a little fan out of a computer. I will help you with that next: Detergents play a crucial role — but how does the concentration of detergent affect the drops.

November-February of Senior Year: When all of the ascorbic acid is used up at the end point there is no ascorbic acid left to make it go colourless so it goes pink permanently.

IB Chemistry/Extended Essay

It seems that the hormone ethylene triggers the production of enzymes. As the tannins produce hydrogen peroxide the colour changes and then the peroxide changes the ethanol to ethanal and then on to acetic acid.

Ib biology extended essay experiments in science

Title Analysis of strawberry jellies by paper chromatography Research question The use of paper chromatography to determine whether strawberry jellies obtained from 24 different countries in 5 different continents all contain the same red dyes.

February of Junior Year: They should show an understanding of the results obtained and be able to interpret them with reference to the research question posed. Once you have figured out a general subject area such as Physics, you should brainstorm more specific topics by putting pen to paper. There are two common methods, both of which work well.

Analysing the gases remaining after burning a candle in a gas jar. Chemical suppliers want to provide pure caffeine to clients. You can flatten some soft drink to use as a control.

The longer the time taken for the reaction cycle, the more antioxidants the food contains. What about a surface of anionic detergents and drops of cationic ones.

IB Chemistry/Extended Essay

Extraction of caffeine from tea. We have previously trialled a "ginger beer plant" culture in our laboratory from the UK - that was several years ago - but without much success and the flavour was not any better than on the baker's yeast that we use now.

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If you intend to measure the concentration as a function of time elapsed you should read my caution below. Whichever category or combination of categories is chosen, the student should ensure that sufficient data is available for evaluation and that the topic can be researched accurately using locally available resources.

EXTENDED ESSAY – THE RESEARCH PROCESS Adapted from the IB Diploma Programme’s Extended Essay Guide: First Exams (p. 7 – 8, “the research process”) Go back to stage 3, 2, or.

IB Chemistry

May 08,  · I need help choosing an Extended Essay topic for Chemistry IB, any ideas? It would have to be something i could carry out lots of experiments on I need help choosing an Extended Essay topic!? What is a good essay topic for chemistry? Answer omgmachines2018.com: Resolved.

A practical guide to extended science projects. Have you ever wanted to take an idea a little bit further, or research a topic a Baccalaureate Extended Essay qualification.

There are also other ways to do an extended research Designing your own experiment, using new equipment, collecting and analysing your own data, and testing. The IB Extended Essay (or EE) is a 4, word structured mini-thesis that you write under the supervision of an advisor (an IB teacher at your school), which counts towards your IB Diploma (to learn about all of the IB diploma requirements, check out our other article).

Extended essay in chemistry. The following is an overview of the extended essay guidelines for chemistry (IBO documents) An extended essay in chemistry provides students with an opportunity to investigate a particular aspect of the materials of our environment.

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Extended essay chemistry experiments
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Senior Chemistry - Extended Experimental Investigations