Heat Transfer and Temperature Measurement Quiz
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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules contract, decreasing the volume of the substance.
  • Energy is transferred to the substance, causing the atoms/molecules to move faster. (correct)
  • Energy is transferred from the substance, causing the atoms/molecules to move slower.
  • The atoms/molecules expand, increasing the volume of the substance.

    • When the atoms/molecules in a substance move faster, what happens to the temperature?

  • The temperature increases. (correct)
  • The temperature fluctuates randomly.
  • The temperature decreases.
  • The temperature remains the same.

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

  • The volume decreases due to the atoms/molecules contracting. (correct)
  • The volume remains the same.
  • The volume fluctuates randomly.
  • The volume increases due to the atoms/molecules expanding.

    • What happens to the collisions between atoms/molecules when a substance is heated?

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

    Which of the following statements is true about the atoms/molecules themselves when a substance is heated or cooled?

    <p>They remain the same size, but move faster when heated and slower when cooled.</p> Signup and view all the answers

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

    <p>The faster the atoms/molecules move, the higher the temperature.</p> Signup and view all the answers

    What happens 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

    How does cooling a substance affect the volume of the substance?

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

    What factor determines the temperature of a substance?

    <p>Average speed of the atoms/molecules</p> Signup and view all the answers

    How does warming a substance affect the frequency of collisions between atoms/molecules?

    <p>Frequency increases</p> Signup and view all the answers

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

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

    What is the result of atoms/molecules getting closer together in a substance?

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

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