CLEAPSS Supporting practical science and technology
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Outline risk assessment guidance for enzymes in different forms (e.g., solids, solutions).
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health and safety information for using enzymes in practical work
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Covers a wide range of enzymes commonly used in school science, and includes advice on how they can be prepared for use in lessons.
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Describes an alternative, yet simple, GCSE practical activity which models enzymes working in the gut, using milk and lactase. Uses commonly-available glucose testing strips to determine the course of.. more
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This guide gives details of a simple demonstration of enzyme activity using the digestion of starch by amylase. It can also be used to investigate the impact of different conditions on how quickly.. more
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Provides detailed instructions for a simple practical which illustrates some of the working of the gut. Uses sucrose as the starting substrate and DNS reagent or glucose testing strips to identify the.. more
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Describes the advantages and disadvantages of various Visking tubing practical activities intended to illustrate the workings of the gut. Suggests a range of solutions to problems identified.
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Using hydrogen peroxide safely in practical activities.
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Section 14 of the CLEAPSS handbook has been updated and republished as a number of short, individual documents. You can search for these using key words.
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This document gives details of how to use a small scale small-scale Andrews apparatus (see also GL148 below) to  allow measurement of the time taken to collect the first bubble of gas produced by a re.. more
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