Heat Transfer and Temperature
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Questions and Answers

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

  • The speed remains the same
  • The speed fluctuates randomly
  • The speed decreases
  • The speed increases (correct)

How does the volume of a substance change when it is cooled?

  • The volume remains the same
  • The volume increases
  • The volume decreases (correct)
  • The volume fluctuates randomly

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

  • Collisions remain the same
  • Collisions stop completely
  • Collisions become weaker and less frequent
  • Collisions become stronger and more frequent (correct)

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

<p>Higher temperature means higher speed (B)</p> Signup and view all the answers

What effect does cooling have on the volume of a substance?

<p>The volume contracts (A)</p> Signup and view all the answers

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

<p>They move slower (B)</p> Signup and view all the answers

How does warming a substance affect the collisions between atoms/molecules?

<p>Collisions become stronger and more frequent (B)</p> Signup and view all the answers

What does a higher temperature indicate about the speed of atoms/molecules?

<p>They move faster (D)</p> Signup and view all the answers

How does cooling a substance affect the volume of the substance?

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

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

<p>Collisions become weaker and less frequent (D)</p> Signup and view all the answers

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