Comprehension and additional task exercises pages 154 and 155 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• An explanation using the mouth space (stretching cheeks) to think about gas pressure
• A pictorially aided explanation of gas pressure as due to the particles of gas colliding with the walls of a container
• A discussion of increasing pressure through: more particles in the same space, increasing the temperature and reducing the space for the particles to move (compressing)
• A guided exercise on explaining an increase in pressure with temperature aided pictorially
• An exercise comparing images of high and low pressures with more or less particles and volume change
• An exercise plotting how pressure changes with volume (Boyle’s law but not named)
• Amazing WHAT? facts
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