Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
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Velocity, the speed of a body in a particular direction. The term speed refers only to the body's rate of motionthat is, how fast the body movesregardless of the direction.

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How Cremation Works

First, you burn the body until only brittle, pulverized bones are left. These remains are pulverized into ashes, and then placed into urns -- or diamonds, coral reefs and even outer space.

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