CLEAPSS Supporting practical science and technology
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A complete list of all CLEAPSS resources.

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An alternative to using capillary tubing with mercury/sulphuric acid to investigate the volume/temperature gas relationship (Charles’ Law).

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This edition includes note on microscale chemistry. the disposal of dissection waste, Secure Your Chemicals, and the incoming GHS system for labelling chemicals. There are also a warning about a scien.. more

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This has been removed as we are re-working our guidance on this, for more information see the E Cards (Hazcards) and Guide GL120. If you have any questions about this please call the CLEAPSS Helpline.

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Useful, brief, guidance on how to grow the alga and make algal balls, which can be used successfully in photosynthesis practicals.

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This video demonstrates a more reliable method of determining the formula of magnesium oxide than the traditional crucible method.

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This video shows the dangerous effects of short-circuiting four high capacity 1.5v Alkaline batteries.As well as a large amount of toxic smoke being produced the batteries and holder got hot enoug.. more

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Risk assessment guidance for hydrated and anhydrous copper sulfate.

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This list was produced with support from the SCORE to provide schools with a benchmark list of equipment necessary to teach effective practical science. The spread sheet is explained in an accompanyin.. more

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Brief risk assessment guidance and experimental notes for a range of activities involving barium nitrate(V) and barium peroxide (Hazcard 11).

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A mixture of hydrogen and air is prepared in a small plastic ‘fizzy drinks’ bottle and then ignited, so that the bottle travels, rocket-like, some distance.

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