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Word version of the worksheet used in PP179
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Adaptable worksheet for PP057.
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Testing for positive ions: reactions with hydroxides and ammonia. This microscale practical is carried out on a worksheet that is laminated or placed in a plastic wallet. The method minimises the use .. more
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Common anions are tested on a plastic covered worksheet, for quick easy disposal. Using solutions with minimum concentrations allows closer observations and initiates talking points. Students can phot.. more
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Straightforward advice on how to make sure your practical lessons work as you intend. Includes planning and preparing the activity, managing students, timing and equipment, and clearing away. Also inc.. more
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The reaction between iron and sulfur, to produce iron(II) sulfide, is described in PP079. The reaction between iron and sulfur – students’ version.This document describes a range of chemical tests tha.. more
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This activity can be used as an introduction to microscale drop, or “puddle” chemistry. It demonstrates that indicators do not always change at pH7.
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In this microscale procedure, students can investigate confirmatory tests for common anions. It provides good talking points for the diffusion of gases and appearance of coloured halos. Students can w.. more
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To help students understand how cell membrane integrity is affected by the environment surrounding the cell. Beetroot membranes are a good model for investigating this because the pigments that diffus.. more
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This practical procedure includes 4 activities to help students recognise and understand the problem of noise induced hearing loss (NIHL). It also includes a number of industrial examples which powerf.. more
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