Heat Transfer and Temperature Quiz
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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules gain energy and move faster, resulting in stronger and more frequent collisions. (correct)
  • The atoms/molecules themselves expand in size.
  • Energy is transferred from the substance, and it loses energy.
  • The atoms/molecules move slower, and the volume of the substance decreases.

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

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

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

  • The atoms/molecules expand, and the volume of the substance increases.
  • The volume of the substance increases.
  • The volume of the substance remains the same.
  • The atoms/molecules get closer together, and the volume of the substance decreases. (correct)

    • What is the key difference between heating and cooling a substance?

    <p>Heating a substance means energy is transferred to it, while cooling means energy is transferred from it.</p> Signup and view all the answers

    How do the atoms/molecules themselves behave during heating and cooling?

    <p>The atoms/molecules do not change in size during heating or cooling.</p> Signup and view all the answers

    What is the effect of stronger and more frequent collisions between atoms/molecules when a substance is heated?

    <p>The atoms/molecules spread further apart, and the volume of the substance increases.</p> Signup and view all the answers

    What happens to the volume of a substance when its atoms/molecules move slower?

    <p>The volume decreases</p> Signup and view all the answers

    Which statement is true about the relationship between temperature and atom/molecule speed?

    <p>Higher temperature means faster atom/molecule speed</p> Signup and view all the answers

    What occurs to the collisions between atoms/molecules when a substance is cooled?

    <p>Collisions become weaker and less frequent</p> Signup and view all the answers

    In relation to heating a substance, what effect does gaining energy have on the atoms/molecules?

    <p>Atoms/molecules expand and spread further apart</p> Signup and view all the answers

    What is the consequence of atoms/molecules moving faster in relation to temperature?

    <p>Increase in collisions between atoms/molecules</p> Signup and view all the answers

    When energy is transferred from a substance, what happens to the temperature?

    <p>Temperature decreases</p> Signup and view all the answers

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