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Questions and Answers
When a substance is cooled, the atoms/molecules gain energy and move faster.
When a substance is cooled, the atoms/molecules gain energy and move faster.
False (B)
Temperature is a measurement of the average speed of atoms/molecules.
Temperature is a measurement of the average speed of atoms/molecules.
True (A)
When a substance is warmed, the atoms/molecules spread further apart (expand) and the volume of the substance decreases.
When a substance is warmed, the atoms/molecules spread further apart (expand) and the volume of the substance decreases.
False (B)
The faster the atoms/molecules move, the lower the temperature.
The faster the atoms/molecules move, the lower the temperature.
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Heating a substance means that energy is transferred to the substance; energy is gained.
Heating a substance means that energy is transferred to the substance; energy is gained.
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