take two trays ; tray 1 and tray 2. Fill half of the tray. In tray 2,over the soil layer put 2 paper towels in such a way tha the soil layer gets completely covered.Using a watering can,pour water (represents rain) on the soil layes in both the trays .Observe and compare what happens to soil in tray 1 and the tray 2 on pouring water.
1. what happens to the soil tray 1 when water is poured over it?
2. what happens to the soil in tray 2 when the water is poured over it?
3. what do you think the paper towels in tray 2 put over the soil represent?
4. what is soil erosion?
5.why is the it important to find a solution to soil erosion?
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