- Ask pupils to take the role of a sales manager, select one item and make a spoof written report of a 'new, improved' version where the item in question exerts high pressure instead of low, or vice versa. They then have to 'sell' it, explaining its features,
eg the smallest snowshoes in the world, guaranteed to sink as far and as fast as possible; or the drawing pin with a new, improved thick pin.
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- show, by the ability to apply 'reverse logic', that they have grasped the key ideas of pressure
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