All articles by Nuffield Foundation – Page 6
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DemonstrationDiffusion of gases: ammonia and hydrogen chloride
A demonstration to show the diffusion of gases, using ammonia solution and hydrochloric acid. Includes kit list and safety instructions.
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Class experimentMaking magnesium carbonate: the formation of an insoluble salt in water
Students react magnesium sulfate and sodium carbonate to form magnesium carbonate, which is insoluble in water. Includes kit list and safety instructions.
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Class experimentRecovering water from copper(II) sulfate solution
Try this practical to introduce students to aqueous solutions by distilling water from copper(II) sulfate solution. Includes kit list and safety instructions.
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DemonstrationThe effect of pressure and temperature on equilibrium | Le Chatelier’s principle
Try this demonstration to explore the effects of pressure and temperature on an equilibrium mixture with your students. Includes kit list and safety instructions.
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DemonstrationThe effect of concentration and temperature on an equilibrium | Le Chatelier’s principle
Try this demonstration to illustrate how changing chlorine concentration or temperature shifts the position of an equilibrium. Includes kit list and safety instructions.
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Class experimentEstimating the concentration of bleach
Compare the chlorine content and concentration of sodium hypochlorite in different bleaches in this class practical. Includes kit list and safety instructions.
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Class experimentTesting for catalase enzymes
Try this class experiment to detect the presence of enzymes as they catalyse the decomposition of hydrogen peroxide. Includes kit list and safety instructions.
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DemonstrationReactions of chlorine, bromine and iodine with aluminium
Try this demonstration to produce some spectacular exothermic redox reactions by reacting aluminium with halogens. Includes kit list and safety instructions.
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DemonstrationAnodising aluminium
Explore an application of electrolysis in this demonstration by anodising aluminium to improve corrosion resistance. Includes kit list and safety instructions.
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DemonstrationThe cornflour ‘bomb’
Create a small explosion inside a tin can using cornflour in this demonstration, illustrating energy transformation. Includes kit list and safety instructions.
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DemonstrationThe reaction of ethyne with chlorine
Try this teacher demonstration with your students to illustrate the spontaneous reaction of ethyne and chlorine. Includes kit list and safety instructions.
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Class experimentThe acidic reactions of ethanoic acid
Explore the properties of ethanoic acid as a weak organic acid in this class experiment. Includes kit list and safety instructions.
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Class experimentRechargeable cells: the lead–acid accumulator
Use this practical to demonstrate the chemistry behind rechargeable batteries, using a lead–acid accumulator cell. Includes kit list and safety instructions.
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Class experimentIdentifying polymers by density
Investigate and identify a variety of polymers used in everyday materials by testing their density in this practical. Includes kit list and safety instructions.
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Class experimentExtracting metals with charcoal
Try this class practical to illustrate the idea of competition reactions between metals and carbon. Includes kit list and safety instructions.
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Class experimentMaking a photographic print using silver chloride
Try this practical or demonstration to create a photographic image of an object using light sensitive silver chloride. Includes kit list and safety instructions.
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Class experimentThermal decomposition of calcium carbonate
A class practical on the thermal decomposition of calcium carbonate. Includes kit list and safety instructions.
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DemonstrationThe conversion of alcohols to halogenoalkanes
Try this practical or demonstration to produce bromoethane in a substitution reaction between ethanol and phosphorus tribromide. Includes kit list and safety instructions.
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Class experimentWhich substances conduct electricity?
In this class practical, students test the conductivity of covalent and ionic substances in solid and molten states. Includes kit list and safety instructions.
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Class experimentCracking hydrocarbons on a microscale
Use this microscale experiment to illustrate hydrocarbon cracking using paraffin, bromine water and aluminium oxide. Includes kit list and safety instructions.