9th Grade Matter and Energy Quiz
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Questions and Answers

Which of the following best describes a physical change?

  • Cooking an egg to change its color and texture
  • Mixing sugar and water to form a solution
  • Burning wood to produce ash and smoke
  • Melting an ice cube to obtain liquid water (correct)

    • What is the law that states that energy cannot be created or destroyed, only transformed from one form to another?

  • Law of Inertia
  • Law of Conservation of Mass
  • Law of Conservation of Energy (correct)
  • Law of Universal Gravitation

    • Which type of energy is stored in the chemical bonds of molecules?

  • Potential energy (correct)
  • Kinetic energy
  • Nuclear energy
  • Electrical energy

    • Which of the following best describes a chemical change?

    <p>A change in color or odor</p> Signup and view all the answers

    When baking a cake, which type of energy transformation occurs?

    <p>Chemical to thermal energy</p> Signup and view all the answers

    What type of mixture is a solution of sugar dissolved in water?

    <p>Homogeneous mixture</p> Signup and view all the answers

    Which type of mixture consists of visibly different substances that settle into layers over time?

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

    In which type of energy transformation does a spring compress or expand?

    <p>Mechanical to thermal energy</p> Signup and view all the answers

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