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Heating and Cooling of Substances Quiz
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Heating and Cooling of Substances Quiz

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@RosyPluto

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Questions and Answers

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

  • The speed of atoms/molecules remains the same
  • The atoms/molecules expand and contract randomly
  • The speed of atoms/molecules decreases
  • The speed of atoms/molecules increases (correct)

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

  • The volume decreases (correct)
  • The volume remains the same
  • The volume increases
  • The volume changes unpredictably

    • Which of the following is a correct statement about temperature?

  • Temperature is a measurement of the number of atoms/molecules
  • Temperature is a measurement of the size of atoms/molecules
  • Temperature is a measurement of the average speed of atoms/molecules (correct)
  • Temperature is a measurement of the mass of atoms/molecules

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

    <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 during thermal expansion or contraction?

    <p>The atoms/molecules remain the same size during heating and cooling</p> Signup and view all the answers

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