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Questions and Answers
What happens when a substance is heated?
What happens when a substance is heated?
- Atoms/molecules lose energy and move slower
- Atoms/molecules gain energy and move slower
- Atoms/molecules lose energy and move faster
- Atoms/molecules gain energy and move faster (correct)
How is temperature related to the speed of atoms/molecules?
How is temperature related to the speed of atoms/molecules?
- Not related
- Inversely proportional
- Directly proportional (correct)
- Temperature does not affect speed
What happens to the volume of a substance when it is cooled?
What happens to the volume of a substance when it is cooled?
- It remains the same
- It increases
- It expands
- It decreases (correct)
When a substance is cooled, what happens to the collisions between atoms/molecules?
When a substance is cooled, what happens to the collisions between atoms/molecules?
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If particles are moving slower, what does that indicate about the temperature?
If particles are moving slower, what does that indicate about the temperature?
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What happens to the atoms/molecules of a substance when it is warmed?
What happens to the atoms/molecules of a substance when it is warmed?
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What determines the direction of gas particles?
What determines the direction of gas particles?
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How do gas particles enable us to detect odors?
How do gas particles enable us to detect odors?
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In the model, what does an increase in arrow length represent?
In the model, what does an increase in arrow length represent?
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What happens to the volume of a balloon when the particles inside gain energy?
What happens to the volume of a balloon when the particles inside gain energy?
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What happens to the temperature of a balloon when the particles inside lose energy?
What happens to the temperature of a balloon when the particles inside lose energy?
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