Podcast
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 speed of atoms/molecules remains the same.
- The speed of atoms/molecules decreases.
- The speed of atoms/molecules increases. (correct)
- The speed of atoms/molecules becomes more variable.
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?
- Temperature is exponentially related to the average speed of atoms/molecules.
- Temperature is directly proportional to the average speed of atoms/molecules. (correct)
- Temperature is not related to the average speed of atoms/molecules.
- Temperature is inversely proportional to the average speed of atoms/molecules.
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 of the substance increases.
- The volume of the substance remains the same.
- The volume of the substance becomes more variable.
- The volume of the substance decreases. (correct)
What happens to the frequency and strength of collisions between atoms/molecules when a substance is warmed?
What happens to the frequency and strength of collisions between atoms/molecules when a substance is warmed?
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?
What is the relationship between energy transfer and temperature change in a substance?
What is the relationship between energy transfer and temperature change in 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 impact on collisions between atoms/molecules when a substance is cooled?
What is the impact on collisions between atoms/molecules when a substance is cooled?
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?
How does increased energy transfer affect the temperature of a substance?
How does increased energy transfer affect the temperature of a substance?
What causes a substance to expand and increase in volume?
What causes a substance to expand and increase in volume?
When a substance is cooled, why do atoms/molecules get closer together?
When a substance is cooled, why do atoms/molecules get closer together?
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