Science Workbook Review Materials
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Science Workbook Review Materials

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@InspiringCedar

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Questions and Answers

Which of the following is NOT an example of a classroom experiment covered in the lesson?

  • Observing the formation of condensation on a cold surface
  • Video of indicator paper changing color in a hot water bath and a cold water bath
  • Watching dry ice sublime into a gas (correct)
  • Blue and yellow food coloring in hot water and cold water

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

  • The speed of atoms/molecules remains the same
  • The speed of atoms/molecules is unaffected by heating
  • The speed of atoms/molecules decreases
  • The speed of atoms/molecules increases (correct)

    • Which of the following statements about temperature is true?

  • Temperature is a measure of the potential energy of a substance
  • Temperature is a measure of the average speed of atoms/molecules (correct)
  • Temperature is a measure of the kinetic energy of individual atoms/molecules
  • Temperature is a measure of the total energy of a substance

    • If a substance loses energy, what happens to the temperature?

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

    Which of the following materials is suggested for reviewing the concepts of evaporation and boiling?

    <p>All of the above</p> Signup and view all the answers

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

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

    What happens to the volume of a substance when its atoms/molecules move faster?

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

    What is the process called when molecules in the gaseous state slow down and become a liquid?

    <p>Condensation</p> Signup and view all the answers

    Which phase change involves molecules at the surface of a liquid gaining enough energy to enter the gaseous state?

    <p>Evaporation</p> Signup and view all the answers

    What is the boiling point of a substance defined as?

    <p>The temperature at which molecules throughout the liquid change to gas</p> Signup and view all the answers

    Why does evaporation occur more quickly with warmer temperatures?

    <p>Because warmer temperatures increase molecular movement</p> Signup and view all the answers

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

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

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