Heating and Cooling of Substances
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Questions and Answers

What happens when energy is transferred to a substance?

  • The substance cools down
  • The substance loses energy
  • The substance expands
  • The substance gains energy (correct)

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

  • Temperature is not related to the speed of atoms/molecules
  • Temperature is a measurement of the average speed of atoms/molecules (correct)
  • Lower temperature means faster movement of atoms/molecules
  • Higher temperature means slower movement of atoms/molecules

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

  • The volume compresses
  • The volume decreases
  • The volume remains constant
  • The volume increases (correct)

    • How do atoms/molecules behave when a substance is cooled?

    <p>They get closer together</p> Signup and view all the answers

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

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

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