Grade 7 Science: States of Matter Quiz
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Questions and Answers

What is the definition of density?

  • The ability to attract a magnet.
  • The ability to dissolve another matter.
  • How much mass is packed into a certain volume. (correct)
  • The amount of space something takes up.
  • Which state of matter has a definite shape and volume?

  • Liquid
  • Plasma
  • Solid (correct)
  • Gas
  • What property measures how well a material conducts heat or electricity?

  • Density
  • Magnetism
  • Conductivity (correct)
  • Volume
  • What term describes the ability of a matter to dissolve another matter?

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

    Which of the following is NOT a state of matter?

    <p>Liquid crystal</p> Signup and view all the answers

    What is the initial state of water described in the document?

    <p>Ice cube</p> Signup and view all the answers

    Which of the following is NOT a property of a physical change?

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

    What transformation occurs after the ice cube turns into water?

    <p>The water becomes vapor</p> Signup and view all the answers

    Which of the following examples indicates a physical change?

    <p>Melting an ice cube</p> Signup and view all the answers

    Which of the following phrases best describes the concept of a physical change?

    <p>A reversible change in state or appearance</p> Signup and view all the answers

    What state of matter is represented when ice changes due to the application of heat?

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

    What is the process called when water changes from a liquid to a gas?

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

    Which process occurs at the boiling point of water?

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

    What type of matter is defined as anything that you can touch, smell, or feel?

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

    Which component is necessary for the transformation of ice to water?

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

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