Take a metal glass put some small rocks of different size and shape in to it. Keep
shaking the glass for some time. Remove the rocks from the 'glass' and observe the
changes like size and shape of the rocks. Record your observations in your own
prepared table. Mention the scientific method & steps you followed in this process.
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Rock abrasion occurs when rocks collide with one another or rub against one another. Collisions, if they are strong enough, can cause pieces of rock to break into two or more pieces, or cause small chips to be broken off a large piece. When two pieces of rock are rubbed together, the mineral grains in the rocks can be broken away from the rock surface.
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