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Questions and Answers
What happens to the speed of atoms/molecules when a substance is heated?
What happens to the speed of atoms/molecules when a substance is heated?
- Their speed remains the same
- Their speed oscillates between increasing and decreasing
- Their speed increases (correct)
- Their speed decreases
How does cooling a substance affect the volume of the substance?
How does cooling a substance affect the volume of the substance?
- The volume increases
- The volume remains the same
- The volume fluctuates randomly
- The volume decreases (correct)
What is the relationship between the speed of atoms/molecules and temperature?
What is the relationship between the speed of atoms/molecules and temperature?
- Temperature is a measure of the potential energy of atoms/molecules
- Temperature and the speed of atoms/molecules are unrelated
- Temperature is inversely proportional to the speed of atoms/molecules
- Temperature is a measurement of the average speed of atoms/molecules (correct)
How do the collisions between atoms/molecules change when a substance is warmed?
How do the collisions between atoms/molecules change when a substance is warmed?
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What happens to the atoms/molecules themselves when a substance is heated or cooled?
What happens to the atoms/molecules themselves when a substance is heated or cooled?
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What is the primary cause of the change in volume when a substance is heated or cooled?
What is the primary cause of the change in volume when a substance is heated or cooled?
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