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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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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..
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This protocol uses starch and amylase, contained within Visking tubing, to model the action of the gut. It includes both a simplified method, which demonstrates starch digestion and the production of ..
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Guidance on how to prepare methanal solutions (also known as formalin or formaldehyde solution).
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HazcardRisk assessment guidance for hydrochloric acid.
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The electrolysis of copper(II) chloride solution was cited in many GCSE exemplar procedures. With large-scale equipment, the volume of chlorine produced, caused breathing difficulties for some student..
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This video shows a new microscale method for pupils to discover and try out different precipitate reactions.
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This protocol provides an alternative to the classic model gut activity using Visking tubing. It uses the enzyme lactase to digest lactose, found in milk, into glucose.
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You can demonstrate that hot glass is an electrical conductor (hot glass is actually an example of a solid electrolyte). This is counterintuitive because at room temperature, glass is a good electrica..
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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..
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Showing results 1 to 10 of 73
