5 Questions
What happens when energy is transferred to a substance?
The substance gains energy, and the speed of its atoms/molecules increases.
What happens to the volume of a substance when it is cooled?
The volume decreases as the atoms/molecules move slower and get closer together.
Which of the following statements about temperature is correct?
Temperature is a measurement of the average speed of the atoms/molecules in a substance.
What happens to the atoms/molecules themselves when a substance is heated or cooled?
The atoms/molecules remain the same size, but their speed changes.
What happens to the strength and frequency of collisions between atoms/molecules when a substance is warmed?
The collisions become stronger and more frequent as the atoms/molecules gain energy and move faster.
Test your knowledge on heat transfer, energy gain and loss, as well as temperature measurement. Learn about how the speed of atoms/molecules is affected by energy transfer and how it relates to changes in temperature.
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