Podcast
Questions and Answers
What happens to the energy when a substance is heated?
What happens to the energy when a substance is heated?
- Energy is lost from the substance
- Energy is transferred to the substance (correct)
- Energy stays constant in the substance
- Energy is transformed into matter
How does cooling affect the speed of atoms/molecules in a substance?
How does cooling affect the speed of atoms/molecules in a substance?
- Halts their movement
- Does not change their speed
- Slows them down (correct)
- Increases their speed
What is the relationship between temperature and particle speed?
What is the relationship between temperature and particle speed?
- Inverse proportional
- Directly proportional (correct)
- No relationship
- Fluctuates randomly
What happens to a substance when it is warmed?
What happens to a substance when it is warmed?
How do collisions between atoms/molecules change when a substance is cooled?
How do collisions between atoms/molecules change when a substance is cooled?
What is the main effect of heating a substance?
What is the main effect of heating a substance?
What happens to the volume of a substance when it is cooled?
What happens to the volume of a substance when it is cooled?
What is the relationship between temperature and the average speed of atoms/molecules?
What is the relationship between temperature and the average speed of atoms/molecules?
How do the collisions between atoms/molecules change when a substance is heated?
How do the collisions between atoms/molecules change when a substance is heated?
What is the main effect of cooling a substance?
What is the main effect of cooling a substance?
How do the atoms/molecules themselves change when a substance is heated or cooled?
How do the atoms/molecules themselves change when a substance is heated or cooled?
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