Heat Transfer and Temperature Quiz
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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules themselves expand in size.
  • The atoms/molecules move faster and the volume of the substance increases. (correct)
  • Energy is transferred from the substance and its temperature decreases.
  • The atoms/molecules move slower and the volume of the substance decreases.

    • What is the relationship between temperature and the speed of atoms/molecules?

  • Temperature is a measurement of the average speed of atoms/molecules. (correct)
  • Temperature is not related to the speed of atoms/molecules.
  • The slower the atoms/molecules move, the higher the temperature.
  • The faster the atoms/molecules move, the lower the temperature.

    • What happens when a substance is cooled?

  • The atoms/molecules themselves shrink in size.
  • Energy is transferred to the substance and its temperature increases.
  • The atoms/molecules move slower and the volume of the substance decreases. (correct)
  • The atoms/molecules move faster and the volume of the substance increases.

    • How do the collisions between atoms/molecules change when a substance is heated?

    <p>The collisions become stronger and more frequent.</p> Signup and view all the answers

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

    <p>The atoms/molecules do not change in size, only their speed changes.</p> Signup and view all the answers

    Which of the following statements accurately describes the relationship between temperature and the motion of atoms/molecules?

    <p>Temperature is a measure of the average speed of atoms/molecules, with faster motion corresponding to higher temperatures.</p> Signup and view all the answers

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

    <p>The volume increases as the atoms/molecules move faster and spread further apart.</p> Signup and view all the answers

    How do the collisions between atoms/molecules change when a substance is cooled?

    <p>The collisions become weaker and less frequent.</p> Signup and view all the answers

    What happens to the distance between atoms/molecules when a substance is cooled?

    <p>The atoms/molecules move closer together.</p> Signup and view all the answers

    Which of the following statements accurately describes the behavior of atoms/molecules during heating and cooling?

    <p>The atoms/molecules themselves remain unchanged in size, but their motion and spacing change.</p> Signup and view all the answers

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