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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 directly proportional to the speed of the atoms/molecules in a substance.
Temperature is directly proportional to the speed of the atoms/molecules in a substance.
True (A)
Heating a substance results in the atoms/molecules getting closer to each other.
Heating a substance results in the atoms/molecules getting closer to each other.
False (B)
Cooling a substance leads to a decrease in the volume of the substance.
Cooling a substance leads to a decrease in the volume of the substance.
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Atoms/molecules themselves expand or shrink when a substance is heated or cooled.
Atoms/molecules themselves expand or shrink when a substance is heated or cooled.
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