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 (correct)
  • Energy is transferred from the substance
  • The volume of the substance decreases
  • The atoms/molecules move slower

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

  • Temperature is unrelated to the speed of atoms/molecules
  • The faster the atoms/molecules move, the lower the temperature
  • Temperature is a measurement of the average speed of atoms/molecules (correct)
  • The faster the atoms/molecules move, the higher the pressure

    • What happens when a substance is cooled?

  • The atoms/molecules themselves expand
  • The volume of the substance increases
  • The atoms/molecules gain energy and move faster
  • The atoms/molecules lose energy and move slower (correct)

    • How does the frequency and strength of collisions between atoms/molecules change when a substance is warmed?

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

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

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

    Do the atoms/molecules themselves expand or shrink when a substance is heated or cooled?

    <p>No, the atoms/molecules do not change size, only their speed changes</p> Signup and view all the answers

    What is the main effect of heating a substance?

    <p>The atoms/molecules gain energy and move faster</p> Signup and view all the answers

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

    <p>Temperature is a measurement of the average speed of atoms/molecules</p> Signup and view all the answers

    What is the main effect of cooling a substance?

    <p>The atoms/molecules lose energy and move slower</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 spread further apart</p> Signup and view all the answers

    How do the frequency and strength of 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 volume of a substance when it is cooled?

    <p>The volume decreases as the atoms/molecules get closer together</p> Signup and view all the answers

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