Question

Explain Thermal Expansion! ​

Answer 1

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Thermal expansion is the tendency of matter to change in shape, volume, and area in response to a change in temperature. Temperature is a monotonic function of the average molecular kinetic energy of a substance. ... The kinetic energy of the molecules of a substance increases when the substance is heated.

Answer 2

Answer:

Thermal expansion is the tendency of matter to change in shape, volume, and area in response to a change in temperature. ... The degree of expansion divided by the change in temperature is called the material's coefficient of thermal expansion. It is found to generally vary with temperature.

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