Heat Transfer and Temperature Measurement Quiz
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Questions and Answers

What happens when energy is transferred to a substance?

  • The substance gains energy, but the speed of its atoms/molecules decreases.
  • The substance loses energy, and the speed of its atoms/molecules decreases.
  • The substance gains energy, and the speed of its atoms/molecules increases. (correct)
  • The substance remains unchanged, and the speed of its atoms/molecules stays the same.

    • What happens to the volume of a substance when it is cooled?

  • The volume decreases as the atoms/molecules move slower and get closer together. (correct)
  • The volume increases as the atoms/molecules expand in size.
  • The volume remains the same as the speed of the atoms/molecules does not change.
  • The volume increases as the atoms/molecules move faster.

    • Which of the following statements about temperature is correct?

  • Temperature is a measurement of the distance between the atoms/molecules in a substance.
  • Temperature is a measurement of the average speed of the atoms/molecules in a substance. (correct)
  • Temperature is a measurement of the size of the atoms/molecules in a substance.
  • Temperature is a measurement of the total energy of the atoms/molecules in a substance.

    • What happens to the atoms/molecules themselves when a substance is heated or cooled?

    <p>The atoms/molecules remain the same size, but their speed changes.</p> Signup and view all the answers

    What happens to the strength and frequency of collisions between atoms/molecules when a substance is warmed?

    <p>The collisions become stronger and more frequent as the atoms/molecules gain energy and move faster.</p> Signup and view all the answers

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