Does matter expand in the heat or in the cold?
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Matter expands when heated.
The reason behind this is that there is an increase in the kinetic energy of the material when it is heated.
This leads to the rapid movement of atoms and molecules present in that material leading to its expansion.
Contrarily when it cools, the kinetic energy in it decreases leading to the contraction of the material.
The reason behind this is that there is an increase in the kinetic energy of the material when it is heated.
This leads to the rapid movement of atoms and molecules present in that material leading to its expansion.
Contrarily when it cools, the kinetic energy in it decreases leading to the contraction of the material.
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