Podcast
Questions and Answers
What happens when a substance is heated?
What happens when a substance is heated?
- Energy is transferred to the substance, atoms/molecules move slower, and the volume decreases
- Energy is transferred from the substance, atoms/molecules move faster, and the volume increases
- Energy is transferred from the substance, atoms/molecules move slower, and the volume decreases
- Energy is transferred to the substance, atoms/molecules move faster, and the volume increases (correct)
How does cooling affect the speed of atoms/molecules?
How does cooling affect the speed of atoms/molecules?
- Speed decreases (correct)
- Speed remains constant
- Speed becomes random
- Speed increases
What happens to the collisions between atoms/molecules when a substance is warmed?
What happens to the collisions between atoms/molecules when a substance is warmed?
- They become weaker and less frequent
- They remain the same
- They become stronger and more frequent (correct)
- They stop completely
How is temperature related to the speed of atoms/molecules?
How is temperature related to the 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?
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