All Investigation articles – Page 8
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ResourceVintage titrations: sulfur dioxide concentrations in wine
Explore redox titrations using iodine, and discover the sulfur dioxide concentrations in wine. Includes kit list and safety instructions.
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Three isomeric alcohols
Learn about the reactions of primary, secondary and tertiary alcohols, using laboratory tests. Includes kit list and safety instructions.
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Only dust - is there a sign of life?
Discover the link between organic life, and dust, designing an experiment of your own from junk materials. Includes kit list and safety instructions.
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Number of reactions
Explore the chemistry of copper, and weak bases, in this explorative experiment in the reactions of copper(II) sulfate. Includes kit list and safety instructions.
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Move a heavy object
Use a simple reaction to create CO2, and see how far chemistry can push an object. Contains kit list and safety instructions.
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Move an oxo cube at great speed
Make a reaction that creates CO2, and watch as it propels a stock cube faster than any Oxo has travelled before. Includes kit list and safety instructions.
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Lifting an egg by a thread
Create a strong cellulose thread and lift and egg. Includes kit list and safety instructions.
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Liquid and solid water; the growth of ice crystals
On a cold clear night, the Earth loses heat by radiation. How does a natural pond form ice through the night? Includes kit list and safety instructions.
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The candle in the bell jar
How does oxygen, in a sealed container, react when exposed to fire? Find out with this experiment. Includes kit list and safety instructions.
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From milk to curds and whey - which enzyme?
An experiment, and extension, into enzymes and how they work in dairy products. Includes kit list and safety instructions.
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Finding the ‘rate expression’ for the reaction between iodine and tin
Explore rate reaction between two substances, and design an experiment to measure it. Includes kit list and safety instructions.
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Blanching - what is the most effective method?
Explore enzymes and catalysts in this experiment into fresh food preservation. Includes kit list and safety instructions.
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Cool it | In search of more solutions | 14–16 years
Devise a method of reducing the temperature of water to 6.5°C using citric acid and bicarbonate of soda.
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As sweet as? Detecting aspartame in a table-top sweetener
Use hydrolysis and chromatography to find aspartame in your table-top sweetener. Includes kit list and safety instructions.
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After meal puzzle
Use ingenuity and science to solve the riddle of lifting ice with string. Includes kit list and safety instructions.
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A transient red colour: the aqueous chemistry between iron (III) ions and sulfur oxoanions
An exploration into bonding in sulphur oxoanions, and redox reactions. Contains kit list and safety instructions.
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Folding @home - Fighting disease with citizen science
Joined forces to donate our unused computer power to help uncover the mysteries of protein folding and fight diseases
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Feynman's flowers - Nano scale citizen science.
By taking part in Feynman’s flowers by crowdcrafting: You could help translate thousands of STM images of molecules for their magnetic properties.
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Solar cells and circuits
Explore how to set up an electrical circuit containing solar cells and how connecting them in different ways will produce different results.
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Fatty acids in food supplements
A resource involving the investigation of the chemical composition of some food supplements that contain omega-3 and omega-6 fatty acids.
