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

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@SmilingMridangam

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Questions and Answers

What happens when energy is transferred to a substance?

  • The substance expands
  • The substance gains energy (correct)
  • The substance decreases in volume
  • The substance loses energy
  • What does a higher temperature indicate about the speed of atoms/molecules?

  • They compress
  • They move slower
  • They decrease in volume
  • They move faster (correct)
  • How do atoms/molecules behave when a substance is cooled?

  • They move slower and get closer together (correct)
  • They gain energy and expand
  • They move faster and spread further apart
  • They lose energy and compress
  • What is the relationship between the average speed of atoms/molecules and temperature?

    <p>The lower the speed, the higher the temperature</p> Signup and view all the answers

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

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

    If a substance undergoes heating and cooling cycles, what is the overall effect on its volume?

    <p>The volume fluctuates, expanding during heating and contracting during cooling.</p> Signup and view all the answers

    What is the primary factor that determines the strength and frequency of collisions between atoms/molecules in a substance?

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

    If two substances have the same temperature, what can be inferred about their atoms/molecules?

    <p>They have the same average speed.</p> Signup and view all the answers

    Which of the following statements is true about the behavior of atoms/molecules during heating and cooling?

    <p>The atoms/molecules maintain their average distance from each other during heating and cooling.</p> Signup and view all the answers

    If a substance is heated to a higher temperature, what can be inferred about the potential energy of its atoms/molecules?

    <p>The potential energy increases.</p> Signup and view all the answers

    According to the information provided, which of the following is not a direct consequence of cooling a substance?

    <p>The atoms/molecules change their chemical composition.</p> Signup and view all the answers

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