CLEAPSS Supporting practical science and technology
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Extracted and refreshed from section 12 of the Handbook, contains information on demonstrating the energy loss during electricity transmission, and how this can be reduced.
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This documents provides an overview on the use of air-rifles in school science departments. 
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An interesting investigation which involves using an electric lamp to heat water. By measuring the temperature rise over time, and the voltage and current input to the lamp, the overall efficiency of .. more
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Various monitoring techniques can be used to investigate how different factors affect the rates of reactions. The thiosulfate-acid ‘disappearing cross’ activity is an example of a clock reaction with .. more
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This edition includes an article from the director on the value of CLEAPSS membership, and notes on maintaining the supply of chemicals for school science, water supply to laboratories, the dangers of.. more
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Sulfuric(VI) acid does not exhibit the usual properties of an acid unless it is dissolved in water. In this activity, the concentrated acid acts as a dehydrating agent, removing the water of crystalli.. more
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Chemiluminescent reactions provide an exciting visual hook for students when studying reaction energetics and redox chemistry. The production of light instead of heat in these exothermic reactions pro.. more
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The activity described can be used as a class practical with KS4 students or as a demonstration with KS3. The energy changes involved can be comparedwith the concentration of the copper(II) sulfate(VI.. more
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This demonstration is a variation on CLEAPSS Supplementary Risk Assessment SRA002 - Dust explosions using cornflour, custard powder, icing sugar, lycopodium powder, etc. Because the demonstration is n.. more
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Extracted and refreshed from section 12 of Handbook, includes a range of traditional dynamics investigations, with instructions and explanations.
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Showing results 1 to 10 of 115
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