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This procedure will allow students to experimentally determine the efficiency of the kettle. It gives students a chance to learn more about specific heat capacity, and practise using formula and equ.. 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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This guide outlines how to carry out burning food investigations including how to set up the equipment, the protocol and which foods work well. Guidance also provided for burning peanuts/nuts should y.. more
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This guide outlines how to set up and use food calorimeters including how to set them up and to maximise the efficiency of combustion.
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This guide gives general advice and points out specific hazards of microwave ovens and their use in school science departments.
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Guidance on general laboratory equipment including balances, barometers, calorimeters, cells and batteries, centrifuges, spirit burners and other heating equipment, steam engines, gas cylinders and ge.. more
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Risk assessment information for silicon and silicon(IV) oxide (silica). Also includes information on mineral wools and silica gels (self-indicating and non-indicating).
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Bulletin 179 - Spring 2024, in this terms edition :- - Directors editorial- Opportunities to work at CLEAPSS- RAAC in science & DT rooms- Meet Mucor hiemalis - a real fun-guy!- Heating things in b.. more
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This edition includes notes on problems with summer heat and stored chemicals,  developing issues with latex allergy, a new version of the collapsing can experiment, and a tip on preparing crushed ice.. more
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The metal ions cobalt(II), copper(II), iron(II) and iron(III) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions with sodium hydroxide soluti.. more
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