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Questions and Answers
How does a decrease in temperature affect the movement of particles?
How does a decrease in temperature affect the movement of particles?
- Particles move faster
- Particles stop moving completely
- Particles move slower (correct)
- Particles move in a circular pattern
What happens to the speed of atoms/molecules when energy is transferred to a substance?
What happens to the speed of atoms/molecules when energy is transferred to a substance?
- Speed decreases
- Speed fluctuates randomly
- Speed increases (correct)
- Speed 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?
- Volume increases
- Volume decreases (correct)
- Volume stays constant
- Volume becomes negative
What occurs to the collisions between atoms/molecules when a substance is warmed?
What occurs to the collisions between atoms/molecules when a substance is warmed?
How does the temperature of a substance relate to the average speed of its atoms/molecules?
How does the temperature of a substance relate to the average speed of its atoms/molecules?
Heating a substance results in energy being transferred to the substance.
Heating a substance results in energy being transferred to the substance.
Cooling a substance means that energy is gained by the substance.
Cooling a substance means that energy is gained by the substance.
Particles move faster at lower temperatures.
Particles move faster at lower temperatures.
When a substance is warmed, its volume decreases.
When a substance is warmed, its volume decreases.
When a substance is cooled, the atoms/molecules get closer together.
When a substance is cooled, the atoms/molecules get closer together.
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