Heat Transfer and Temperature Quiz

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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules gain energy and move faster (correct)
  • The atoms/molecules lose energy and move slower
  • The atoms/molecules compress and the volume increases
  • The atoms/molecules expand and the volume decreases

What does temperature measure?

  • The average speed of the atoms/molecules (correct)
  • The size of the atoms/molecules
  • The volume of the substance
  • The energy of the atoms/molecules

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

  • The volume changes unpredictably as the atoms/molecules move slower
  • The volume remains the same as the atoms/molecules do not change size
  • The volume decreases as the atoms/molecules get closer together (correct)
  • The volume increases as the atoms/molecules spread further apart

How are the collisions between atoms/molecules affected when a substance is cooled?

<p>The collisions become weaker and less frequent (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 do not change in size or shape when heated or cooled (C)</p> Signup and view all the answers

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

<p>Temperature is directly proportional to the speed of atoms/molecules (B)</p> Signup and view all the answers

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