... result in a larger crater. Apparatus: 2 one meter rulers, 1 fifteen cm rulers, clamp stand, tub of sand, 1 88g plasticine ball (43mm in diameter) Variable change: I will change the height the plasticine ball is falling from. Method: Set the ruler up as shown in diagram below and roll 88g of plasticine into a ball. I will use wet sand because I think that it will be easier to measure the diameter as the sand wont be easily moved as I take the plasticine ball out of the crater. I will then hold the ball of plasticine at the appropriate height then drop the plasticine ball into the sand (I will carry out my readings from 50mm - 500mm going up in 50s). Then I will carefully pick the plasticine ball out of the sand and measure the diameter of the crater. Trial run: Height plasticine ball has fallen from (mm) Diameter ...

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