Science, asked by seemavpanchal, 3 months ago

why do things expand when heated and and contract when cooled

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Answered by Riyankapandey

Answer:

When a material is heated, the kinetic energy of that material increases and it's atoms and molecules move about more. ... When it is cold the kinetic energy decreases, so the atoms take up less space and the material contracts.

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why do things expand when heated and and contract when cooled​

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why do things expand when heated and and contract when cooled