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Get Set Demonstrate
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Air Pressure
This is a linked pair of demonstrations which show how pressure differences give rise to forces. In particular, they show how large forces can arise when atmospheric pressure is unbalanced.
In the crushed can demonstration, atmospheric pressure crushes an evacuated can, whereas in the water fountain demonstration, atmospheric pressure pushes air into an evacuated flask.
This resource was produced following National Science & Engineering Week 2013, during which teachers and technicians nominated their favourite demonstrations to be turned into video resources with accompanying written guides.
This resource was funded by the Gatsby Charitable Foundation and the Institute of Physics.
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Air pressure (teachers' notes) 256.93 KB
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Air pressure (teachers' notes) 256.93 KB
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