| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
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Pneumatic machines use gas pressure to create movement. |
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Look at steam engine pistons.
Demo with syringe |
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Gas pressure is caused by particles (in a gas) bouncing off a surface. |
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What is gas pressure caused by? |
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Atmospheric pressure is caused by the weight of air above. |
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What is atmospheric pressure caused by? Crushing can |
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Atmospheric pressure, decreases with increase of height as weight of air above decreases with height |
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What effect does increase of height have on atmospheric pressure? Explain this. Show graph:
https://www.google.co.uk/images?q=atmospheric pressure vs altitude
Write conclusion, and explain in terms particles. |
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Pressure measured by ratio of force over area - acting normal to any surface. |
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What is the equation for calculating pressure? Pupils calculate the pressure they exert on the floor.
Drawing around shoes on square paper to measure contact area.
Weighting students on newton scales. |
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