Heat Transfer and Temperature
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Questions and Answers

What happens when energy is transferred to a substance?

  • The atoms/molecules themselves expand
  • The substance gains energy and the atoms/molecules move faster (correct)
  • The substance loses energy and the atoms/molecules move slower
  • The volume of the substance decreases

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

  • The atoms/molecules themselves expand, but the volume remains the same
  • The volume decreases as the atoms/molecules get closer together
  • The volume increases as the atoms/molecules spread further apart (correct)
  • The volume remains the same

What happens when a substance is cooled?

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

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

<p>The faster the atoms/molecules move, the higher the temperature (A)</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 remain the same size (A)</p> Signup and view all the answers

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