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Questions and Answers
What happens when a substance is heated?
What happens when a substance is heated?
- The atoms/molecules gain energy and move faster, leading to stronger and more frequent collisions, and an increase in volume. (correct)
- The atoms/molecules lose energy and move slower, leading to weaker and less frequent collisions, and a decrease in volume.
- The atoms/molecules remain the same speed, but the volume of the substance increases.
- The atoms/molecules expand in size, leading to an increase in volume.
What is the relationship between the speed of atoms/molecules and temperature?
What is the relationship between the speed of atoms/molecules and temperature?
- The faster the atoms/molecules move, the higher the temperature. (correct)
- The speed of atoms/molecules has no effect on temperature.
- Temperature is determined by the size of the atoms/molecules, not their speed.
- The faster the atoms/molecules move, the lower the temperature.
What happens when a substance is cooled?
What happens when a substance is cooled?
- The atoms/molecules gain energy and move faster, leading to stronger and more frequent collisions, and an increase in volume.
- The atoms/molecules remain the same speed, but the volume of the substance decreases.
- The atoms/molecules expand in size, leading to a decrease in volume.
- The atoms/molecules lose energy and move slower, leading to weaker and less frequent collisions, and a decrease in volume. (correct)
What is the effect of heating or cooling on the atoms/molecules themselves?
What is the effect of heating or cooling on the atoms/molecules themselves?
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How does temperature relate to the average speed of atoms/molecules?
How does temperature relate to the average speed of atoms/molecules?
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