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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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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 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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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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We have updated and revised our guidance in light of the 2014 Explosives Regulations. These do change what schools are able to do in Science.We have worked closely with experts in the explosives indus.. 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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This edition includes notes on asbestos issues in D&T dust extraction systems, the howling jelly baby demo, the publication 'Surely that's banned?', a leaking bottle of nitric acid, the change in .. more
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A more straight forward activity than that done traditionally. Includes all practical instructions and some brief notes on DCPIP.
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Extracted and refreshed from section 12 of the Handbook, includes information on different electronic meters, and investigations using them. Includes coulombmeters, sensitive galvanometers, picoammete.. more
words matched: changes, energy

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All-in-one file of the 2016 Edition of CLEAPSS CLP Hazcards including all updates up to 27/11/20. See Hazcard Index (GL121) for a summary of changes made.This is designed for downloading to mobile dev.. more
words matched: changes, energy

Showing results 1 to 10 of 375
1 234