CLEAPSS Supporting practical science and technology
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Small pieces of sodium and potassium metal are crushed together in a test tube under an inert liquid until the alloy – a liquid at room temperature – is observed to form. There are several possible al.. more
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Brief risk assessment guidance and experimental notes for a range of activities involving lead metal and some lead compounds (including oxides, carbonate, sulfide).
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Extracted and refreshed from section 12 of the Handbook, includes information on magnets used in science and how to look after them, field line demonstrations, and some history of magnetism
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Brief risk assessment guidance and experimental notes for a range of practical activities involving nitric(V) acid (Hazcard 67).
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The low melting point of gallium metal is demonstrated, eg by using warm water to melt a sample or by making it into a spoon shape and showing that it melts when used to stir a cup of tea.
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Using mercury metal, mercury oxides, chlorides, nitrates(V) and others, safely in practical work.
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All Student Safety Sheets in a handy PDF format, which makes printing a whole set easier.2022 update.
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All-in-one file of the 2016 Edition of CLEAPSS CLP Hazcards including all updates up to 22/12/22. See Hazcard Index (GL121) for a summary of changes made.This is designed for downloading to mobile dev.. more
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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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Guidance on general topics including chromatography and electrophoresis, cryogenics, soldering and electrical connections, electrolysis, glass working, glues and adhesives, photography, using pupils a.. more
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