Comprehension and additional task exercises pages 160 and 161 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• Pressure as the amount of force exerted on an area
• The equation for pressure using units of N/cm2
• Stiletto heels and trainers comparison using numbers
• Examples of where pressure needs to be high or low too include: a sharp knife, a tank’s tracks, a drawing pin and a polar bear’s paws
• The bed of nails ‘trick’ explained and the G-clamp used to create high pressures
• An exercise using the equation to calculate missing pressure and force values
• A gap filling exercise on high and low pressures
• Amazing WHAT? facts
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