Heat Transfer and Temperature
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Questions and Answers

What happens to the speed of atoms/molecules when energy is transferred to a substance?

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

    • How does the volume of a substance change when it is cooled?

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

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

  • Collisions remain the same
  • Collisions stop completely
  • Collisions become weaker and less frequent
  • Collisions become stronger and more frequent (correct)

    • How is temperature related to the speed of atoms/molecules?

    <p>Higher temperature means higher speed</p> Signup and view all the answers

    What effect does cooling have on the volume of a substance?

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

    What happens to the speed of atoms/molecules when a substance is cooled?

    <p>They move slower</p> Signup and view all the answers

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

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

    What does a higher temperature indicate about the speed of atoms/molecules?

    <p>They move faster</p> Signup and view all the answers

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

    <p>The volume decreases</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

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