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 decreases
- The atoms/molecules themselves expand
- The speed of atoms/molecules remains the same
- The speed of atoms/molecules increases (correct)
Which of the following statements is true about temperature?
Which of the following statements is true about temperature?
- Temperature measures the size of atoms/molecules
- Temperature measures the total energy of a substance
- Temperature measures the average speed of atoms/molecules (correct)
- Temperature measures the distance between atoms/molecules
When a substance is cooled, what happens to the volume of the substance?
When a substance is cooled, what happens to the volume of the substance?
- The volume increases
- The atoms/molecules themselves shrink
- The volume remains the same
- The volume decreases (correct)
What is the relationship between the strength and frequency of collisions between atoms/molecules and temperature?
What is the relationship between the strength and frequency of collisions between atoms/molecules and temperature?
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 happens to the volume of a substance when the atoms/molecules are moving slower?
What happens to the volume of a substance when the atoms/molecules are moving slower?
How does the speed of atoms/molecules relate to the temperature of a substance?
How does the speed of atoms/molecules relate to the temperature of a substance?
What is the impact on collisions between atoms/molecules when a substance is warmed?
What is the impact on collisions between atoms/molecules when a substance is warmed?
What effect does cooling have on the distance between atoms/molecules?
What effect does cooling have on the distance between atoms/molecules?
In terms of energy transfer, what occurs when a substance is cooled?
In terms of energy transfer, what occurs when a substance is cooled?