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6 March, 06:19

What is thermal expansion?

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  1. 6 March, 06:29
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    Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature, through heat transfer. Temperature is a monotonic function of the average molecular kinetic energy of a substance. When a substance is heated, the kinetic energy of its molecules increases.
  2. 6 March, 06:45
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    Thermal expansion is matter to change in shape, area, or volume due to temperature or heate transfer.
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