Evaporation and Boiling Quiz
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Questions and Answers

What is the main difference between evaporation and boiling?

  • Evaporation requires air particles to collide with the liquid, while boiling does not.
  • Evaporation occurs only at the surface of a liquid, while boiling occurs throughout the liquid. (correct)
  • Evaporation results in a temperature change, while boiling does not.
  • Evaporation happens at any temperature, while boiling only occurs at high temperatures.

    • What is the boiling point of a substance?

  • The temperature at which the substance changes from a liquid to a gas. (correct)
  • The temperature at which the substance changes from a solid to a gas.
  • The temperature at which the substance changes from a solid to a liquid.
  • The temperature at which the substance changes from a gas to a liquid.

    • What happens when a liquid boils?

  • The liquid's temperature decreases until all molecules turn into a gas.
  • The liquid's temperature remains constant until all molecules turn into a gas. (correct)
  • The liquid's temperature continues to increase.
  • The liquid's temperature fluctuates until all molecules turn into a gas.

    • Which of the following statements about evaporation is not true?

    <p>Evaporation requires air particles to collide with the surface of the liquid.</p> Signup and view all the answers

    If a drop of rubbing alcohol is placed on your hand and on a table, which scenario will result in faster evaporation?

    <p>The drop on your hand will evaporate faster.</p> Signup and view all the answers

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

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

    How does temperature relate to the speed of atoms/molecules in a substance?

    <p>Higher temperature, faster movement</p> Signup and view all the answers

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

    <p>Volume increases</p> Signup and view all the answers

    In what state are the atoms/molecules when a substance is cooling down?

    <p>They get closer together</p> Signup and view all the answers

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

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

    What is the main consequence of cooling a substance in terms of its volume?

    <p>Volume decreases</p> Signup and view all the answers

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