Thermal Energy Transfer and Temperature

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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules lose energy and move slower
  • The atoms/molecules shrink in size
  • The atoms/molecules gain energy and move faster (correct)
  • The atoms/molecules expand in size

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

  • The slower the atoms/molecules move, the higher the temperature
  • The faster the atoms/molecules move, the higher the temperature (correct)
  • The faster the atoms/molecules move, the lower the temperature
  • There is no relationship between the speed of atoms/molecules and temperature

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

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

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

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

Which statement is true about the atoms/molecules themselves?

<p>The atoms/molecules themselves do not expand or shrink (A)</p> Signup and view all the answers

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