All articles by Nuffield Foundation – Page 8
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Class experimentMaking glue from milk
Try this class practical to prepare a polymer glue from milk using the protein casein. Includes kit list and safety instructions.
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DemonstrationIdentifying the products of combustion
Illustrate the presence of water and carbon dioxide in the products of hydrocarbon combustion in this demonstration. Includes kit list and safety instructions.
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DemonstrationThe composition and formula of water
Try this demonstration to determine the formula of water through the reaction of copper(II) oxide with hydrogen. Includes kit list and safety instructions.
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Class experimentPreparing and using cobalt chloride indicator papers
Make your own cobalt chloride indicator papers, which can be used to test for the presence of water. Includes kit list and safety instructions.
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Class experimentThe migration of ions during electrolysis of potassium manganate(VII)
Try this class practical to investigate the migration of ions during electrolysis as evidence for the ionic model. Includes kit list and safety instructions.
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Class experimentReactions of chlorine with water or halide ions
Generate chlorine gas on a microscale and investigate its reactions with water or halide ions in this class practical. Includes kit list and safety instructions.
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Class experimentChromatography of sweets | 11–14 years
Try this class practical to carry out chromatography using dye from different coloured M&M’s®. Includes kit list and safety instructions.
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Class experimentHydrogels in plant water storage crystals
Investigate plant water storage crystals as one application of hydrogels in this fun class practical. Includes kit list and safety instructions.
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Class experimentInvestigating hydrogels in nappies and hair gel
Investigate hydrogels as polymeric smart materials in this series of activities using nappies and hair gel. Includes kit list and safety instructions.
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Class experimentThe reactivity of iron
Illustrate iron’s position in the reactivity series by heating it with copper and magnesium oxides in this practical. Includes kit list and safety instructions.
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Class experimentExothermic metal–acid reactions
Use this class practical to explore the temperature changes resulting from adding different metals to hydrochloric acid. Includes kit list and safety instructions.
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DemonstrationSilver and lead halides
Try this practical or demonstration to produce silver and lead halides in a series of precipitation reactions. Includes kit list and safety instructions.
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DemonstrationThe ‘breathalyser’ reaction | 16–18 years
Try this demonstration to recreate an early ‘breathalyser’ test, passing ethanol vapour through potassium dichromate. Includes kit list and safety instructions
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DemonstrationGenerating, collecting and testing gases
Read our standard guidance on generating, collecting and testing gases during practical experiments, including carbon dioxide, hydrogen, oxygen and chlorine.
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Class experimentComparing heat energy from burning alcohols
Investigate the amounts of heat energy produced by the combustion of different alcohols in this class experiment. Includes kit list and safety instructions.
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DemonstrationThermal decomposition of nitrates: ‘writing with fire’
Make an invisible message ‘glow’ by applying a lighted splint to filter paper treated with sodium nitrate in this demonstration. Includes kit list and safety instructions.
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Class experimentPreparing salts by neutralisation of oxides and carbonates
Try these class experiments to illustrate the production of soluble salts from insoluble metal oxides and carbonates. Includes kit list and safety instructions.
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DemonstrationDyeing three colours from the same dye bath
Show how dyeing involves chemical interactions between dyes and the molecular nature of different fibres in this demonstration. Includes kit list and safety instructions.
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Class experimentA red–blue oscillating reaction
Use this practical or demonstration to provide a visual illustration of an oscillating reaction and redox equilibria. Includes kit list and safety instructions.
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Class experimentFinding the formula of hydrated copper(II) sulfate
In this experiment students will measure the mass of hydrated copper(II) sulfate before and after heating and use mole calculations to find the formula.