Heat Transfer and Temperature Measurement Quiz
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Questions and Answers

What happens when a substance is heated?

  • Atoms/molecules lose energy and move slower
  • Atoms/molecules gain energy and move slower
  • Atoms/molecules lose energy and move faster
  • Atoms/molecules gain energy and move faster (correct)

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

  • Not related
  • Inversely proportional
  • Directly proportional (correct)
  • Temperature does not affect speed

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

  • It remains the same
  • It increases
  • It expands
  • It decreases (correct)

    • When a substance is cooled, what happens to the collisions between atoms/molecules?

    <p>They become weaker and less frequent</p> Signup and view all the answers

    If particles are moving slower, what does that indicate about the temperature?

    <p>The temperature is lower</p> Signup and view all the answers

    What happens to the atoms/molecules of a substance when it is warmed?

    <p>They spread further apart (expand)</p> Signup and view all the answers

    What determines the direction of gas particles?

    <p>Their collisions with other particles or objects</p> Signup and view all the answers

    How do gas particles enable us to detect odors?

    <p>They travel in all directions and reach our noses</p> Signup and view all the answers

    In the model, what does an increase in arrow length represent?

    <p>An increase in particle speed</p> Signup and view all the answers

    What happens to the volume of a balloon when the particles inside gain energy?

    <p>The volume increases</p> Signup and view all the answers

    What happens to the temperature of a balloon when the particles inside lose energy?

    <p>The temperature decreases</p> Signup and view all the answers

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