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Using atmospheric pressure to push a boiled egg into a conical flask
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This striking demonstration can show students how atmospheric pressure - and pressure differences can cause a 330ml drinks can to be crushed. 
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Describes the popular demonstration using Magdeburg hemispheres, and how it can be safely undertaken.
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Crushing an empty drinks can with atmospheric pressure
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Using atmospheric pressure to push an egg into a conical flaskSee PP0070
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Guidance on buying portable autoclave and pressure cookers.
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A simple visual demonstration of the effects of reducing the pressure inside a bell jar on the boiling of warm water.
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A simple demonstration to show that sound does not travel through a vacuum
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This document covers the safe use of small autoclaves and pressure cookers used in schools and their maintenance. Note: the guidance given here is not intended replace that given by the manufacturer.
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Risk assessment guidance for calcium oxide (quicklime), calcium hydroxide (slaked lime) and strontium hydroxide-­‐8-­‐water (hydrated strontium hydroxide).
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