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Making a bottle top crucible with nut & bolt or nichrome wire handle.
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The flame test is a useful analytical technique for identifying unknown substances. This nichrome wire method avoids the use of concentrated hydrochloric acid.
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Two ideas for making holders for flame test wires. Uses straight forward techniques in glass working.
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Brief advice on how to disable a mains electric plug so that it cannot be accidentally inserted into a live socket whilst pupils learn how to wire it correctly.
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Extracted and refreshed from section 12 of the Handbook, this guide gives a brief summary of precautions needed when demonstrating the stretching of wires and springs,etc.
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Instructions on how to make electrical connecting leads with 4mm banana plugs.
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Essential health and safety advice for practical work using mains, low voltage (ac and dc), and static electricity.
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Editorial; Why do we do practical work?, Developing the role of practical work in science, managing egg collections, soldering (no further use of lead), pupils in prep rooms, gloves update, pupils con..
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In this terms Bulletin :-- Directors Editorial- Thanks to Sheila Liddle - RPA- Four chances to work for CLEAPSS- Pupils consuming / 'snorting' chemicals- 2022 Hazcards Update- CLEAPSS School Suppliers..
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This edition includes notes on a prosecution of a school for an accident involving igniting a mix of magnesium powder and potassium chlorate, an accident involving an pressure cooker, laser pointers, ..
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Showing results 1 to 10 of 188
