Science-Chapter 2-Energy and Change

Mrs. Miller

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  1. The wolves are using kinetic energy. (Click on the link)
  2. Links to reference material:
    Kinetic Energy

    Your answer:
    TrueFalse


    roller coaster

  3. The roller coaster car is showing kinetic energy at its greatest level.
  4. Your answer:
    TrueFalse


    roller coaster

  5. How can you describe the position of the roller coaster car? (The car is moving up the hill)
  6. Your answer:
    potential energy is increasing
    potential energy is decreasing
    potential energy is greatest
    potential energy is zero


  7. Where is the greatest kinetic energy? (Click on the link, then scroll down to see the picture of the roller coaster)
  8. Links to reference material:
    roller coaster

    Your answer:
    the top of the ramp
    the middle of the ramp
    the bottom of the ramp
    the top of the loop


  9. Little Evan is swinging on a swing. What kind of energy does he have as he swings back and forth? How does his energy change?
  10. Your answer:


  11. Where do you get the energy you need to run a race?
  12. Your answer:


  13. The tip of a spoon resting in a cup of soup gets warm because of
  14. Your answer:
    convection
    radiation
    mechanical
    conduction


  15. The size, shape, or state of matter changes in a
  16. Your answer:
    .
    .
    physical change
    chemical change


  17. Liquid water changes to water vapor in the process called condensation.
  18. Your answer:
    TrueFalse


  19. The basic unit of energy and of work is the joule.
  20. Your answer:
    TrueFalse


  21. The energy that something has because of its position or structure is
  22. Your answer:
    kinetic energy
    physical energy
    chemical energy
    potential energy


  23. The change of state from a solid to a liquid is
  24. Your answer:
    evaporation
    condensation
    melting
    radiation


  25. The transfer of heat energy through liquids and gases by moving particles is
  26. Your answer:
    radiation
    mechanical
    conduction
    convection


  27. A particle made up of two or more atoms is called a(n)
  28. Your answer:
    molecule
    atom
    element
    joule


  29. This is the transfer of electromagnetic energy through empty space.
  30. Your answer:
    conduction
    radiation
    convection
    mechanical


  31. Which of the following is NOT changed with mechanical energy?
  32. Your answer:
    position
    size
    direction
    speed


  33. What type of energy is present in plants when they make their own food?
  34. Your answer:
    electrical energy
    chemical energy
    magnetic energy
    mechanical energy


  35. In which state of matter are molecules closest together?
  36. Your answer:
    solid
    liquid
    gas
    .


  37. In which state of matter do the molecules have the most energy?
  38. Your answer:
    solid
    liquid
    .
    gas


  39. Which state of matter does heat transfer through conduction?
  40. Your answer:
    .
    solid
    liquid
    gas


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