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When a substance is cooled, the atoms/molecules gain energy and move faster.
False
Temperature is a measurement of the average speed of atoms/molecules.
True
Heating a substance results in atoms/molecules spreading further apart (expanding) and an increase in volume.
True
Cooling a substance causes its volume to decrease.
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The atoms/molecules themselves physically expand or shrink when a substance is heated or cooled.
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When a substance is heated, energy is transferred to the substance and the atoms/molecules move faster.
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Cooling a substance results in energy being transferred from the substance and the atoms/molecules moving slower.
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An increase in temperature indicates that the atoms/molecules are moving faster.
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When a substance is warmed, its volume decreases.
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Particles moving slower indicate a higher temperature.
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When a substance is cooled, the atoms/molecules get closer together (compress) and the volume of the substance decreases.
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