Heat Transfer and Temperature
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Heat Transfer and Temperature

Created by
@Kaz

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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules themselves expand in size
  • The temperature decreases as the atoms/molecules slow down
  • The atoms/molecules gain energy and move faster (correct)
  • The atoms/molecules lose energy and move slower

    • When a gas is cooled, what happens to its volume?

  • The volume decreases as the atoms/molecules get closer together (correct)
  • The volume increases as the atoms/molecules gain energy and move faster
  • The volume increases as the atoms/molecules spread further apart
  • The volume remains constant as cooling does not affect the gas

    • How do gaseous atoms/molecules travel?

  • They remain stationary and do not travel at all
  • They travel in circular patterns until they collide with each other
  • They travel in straight lines until they collide with each other or an object (correct)
  • They travel in random directions, never colliding with each other

    • What causes the detection of an odor in a gas?

    <p>The gas particles travel in all directions, reaching our noses</p> Signup and view all the answers

    What is temperature a measurement of?

    <p>The average speed of atoms/molecules in a substance</p> Signup and view all the answers

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