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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?
- The size of atoms/molecules increases
- The speed of atoms/molecules increases (correct)
- The speed of atoms/molecules decreases
- The size of atoms/molecules decreases
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 changes randomly
- The volume remains the same
- The volume decreases (correct)
- The volume increases
How do gaseous atoms/molecules travel?
How do gaseous atoms/molecules travel?
- They travel in circular paths
- They remain stationary
- They travel in a zigzag pattern
- They travel in straight lines until they collide (correct)
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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How can we detect a gaseous odor?
How can we detect a gaseous odor?
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What effect does warming a substance have on the collisions between atoms/molecules?
What effect does warming a substance have on the collisions between atoms/molecules?
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How does cooling a substance affect the distance between atoms/molecules?
How does cooling a substance affect the distance between atoms/molecules?
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What causes the volume of a substance to increase when warmed?
What causes the volume of a substance to increase when warmed?
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If particles in a substance move slower, what happens to the collisions?
If particles in a substance move slower, what happens to the collisions?
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What happens to the volume of a substance when it is cooled?
What happens to the volume of a substance when it is cooled?
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