CLEAPSS Supporting practical science and technology
CLEAPSS Supplementary RAs
Specific risk assessments for more unusual and potentially more hazardous activities. Note:- These activities are designed to be carried out individually as part of a lesson conducted in a secondary school science laboratory. The procedures are not intended for use in other contexts – for example in a primary school classroom or other non-science or non-school setting. The activities should not be used to create a ‘whizz bang’ science show. Experience suggests that using a number of activities one after the other in this way gives rise to unpredictable additional risks which the individual procedures may not manage appropriately.

Supplementary Risk Assessments
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A complete set of risk-assessed instructions for safely demonstrating this exciting chemical reaction.

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A complete set of risk-assessed instructions for safely demonstrating the explosive capacity of powders.

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A set of risk assessed instructions for safely demonstrating this reaction.

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A set of risk assessed instructions for safely demonstrating this exothermic reaction.

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A set of risk assessed instructions for safely demonstrating this reaction. The reaction between the permanganate and peroxide releases oxygen which burns with a harmless, but quite loud, bang.

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A set of risk assessed instructions for safely carrying out  this attention-grabbing demonstration.

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Risk assessed instructions for handling and using helium gas safely for demonstrations 

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Risk assessed instructions for demonstrating a light bulb glowing in a microwave oven.

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Risk assessed instructions, including control measures, for both a small and larger -scale version of this popular demonstration.

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Risk assessed instructions and control measures for demonstrating this gas-powered rocket.

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