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Guidance outlining the different types of indicator used for making agar cubes for diffusion. It covers how to prepare, use and store the agar. 
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An alternative oscillating reaction to the Belousov-Zhabotinsky (BZ) and Briggs-Raucher (BR) reactions. 
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HSE exposure limits for carbon dioxide in buildings, with some research on the impacts of carbon dioxide on learning. Why carbon dioxide levels might be raised in science practical areas and how to me.. more
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This guide will show you how to modify your existing G&G cloud chambers for use with Thoriated tungsten welding electrodes.
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A tip for making agar cubes.
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Basic recipe for making agar, with additional details for making a range of agars used in science practicals, but not including those used in microbiology. (See GL229 for those.)
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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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This edition includes notes on the prosecution of a school triggered by a student's shirt catching fire in a science lesson, an accident with a pipette filler, difficulties obtaining dissection materi.. more
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A classic demonstration to show the movement of molecules in gases.
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Free resource Click to view on YouTube
This video describes the use of the CLEAPSS conductivity indicator with aqueous solutions. Only the consequence of conductivity, that is electrolysis, is mentioned in specifications by examination Boa.. more
words matched: Diffusion

Showing results 1 to 10 of 53
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