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Questions and Answers
What happens when a substance is heated?
What happens when a substance is heated?
- The atoms/molecules themselves expand
- The atoms/molecules gain energy and move faster (correct)
- The atoms/molecules lose energy and move slower
- The volume of the substance decreases
When the atoms/molecules move faster, what happens to the temperature?
When the atoms/molecules move faster, what happens to the temperature?
- The temperature fluctuates randomly
- The temperature decreases
- The temperature increases (correct)
- The temperature remains the same
What happens to the volume of a substance when it is cooled?
What happens to the volume of a substance when it is cooled?
- The volume fluctuates randomly
- The volume decreases (correct)
- The volume remains the same
- The volume increases
Which of the following statements about the atoms/molecules themselves is true?
Which of the following statements about the atoms/molecules themselves is true?
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What happens to the strength and frequency of collisions between atoms/molecules when a substance is heated?
What happens to the strength and frequency of collisions between atoms/molecules when a substance is heated?
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Which of the following best describes the relationship between energy transfer and temperature change?
Which of the following best describes the relationship between energy transfer and temperature change?
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