Podcast
Questions and Answers
What happens when energy is transferred to a substance?
What happens when energy is transferred to a substance?
- The atoms/molecules spread further apart, but the temperature stays the same.
- The atoms/molecules move slower, decreasing the temperature.
- The atoms/molecules move faster, increasing the temperature. (correct)
- The atoms/molecules stay the same speed, but the volume increases.
What happens when a substance is cooled?
What happens when a substance is cooled?
- The atoms/molecules gain energy and move faster.
- The atoms/molecules get closer together, but the temperature stays the same.
- The atoms/molecules lose energy and move slower. (correct)
- The atoms/molecules stay the same speed, but the volume decreases.
What is the relationship between the speed of atoms/molecules and temperature?
What is the relationship between the speed of atoms/molecules and temperature?
- The faster the atoms/molecules move, the lower the temperature.
- The speed of the atoms/molecules does not affect the temperature.
- Temperature is not related to the speed of the atoms/molecules.
- The faster the atoms/molecules move, the higher the temperature. (correct)
How do gaseous atoms/molecules behave?
How do gaseous atoms/molecules behave?
How does the volume of a substance change when it is heated?
How does the volume of a substance change when it is heated?
How can we detect the presence of a gas?
How can we detect the presence of a gas?
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