Chapter 15: Energy

22 Questions  I  By Shorlock
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 Chapter 15: Energy
Test you knowledge of energy, the forms of energy, energy conversion, and energy conservation.

  
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  • 1. 
    The energy of a moving object is...
    • A. 

      Kinetic energy

    • B. 

      Potential energy

    • C. 

      Chemical energy

    • D. 

      Nuclear energy


  • 2. 
    An example of an object haveing elastic potential energy is
    • A. 

      A stretched spring

    • B. 

      Books on a shelf

    • C. 

      A moving arrow

    • D. 

      A falling oyster


  • 3. 
    An example of electromagnetic energy is
    • A. 

      A falling rock

    • B. 

      A stretched spring

    • C. 

      A speeding train

    • D. 

      Sunlight


  • 4. 
    Energy stored in the bonds between atoms is called
    • A. 

      Kinetic energy

    • B. 

      Mechanical energy

    • C. 

      Chemical energy

    • D. 

      Thermal energy


  • 5. 
    Mechanical energy is
    • A. 

      Found in machinery only

    • B. 

      Usually measured at the atomic level.

    • C. 

      The sum of the chemical and thermal energy of an object.

    • D. 

      The sum of the kinetic and potential energy of an object.


  • 6. 
    An example of conversion of gravitational potential energy into kinetic energy is
    • A. 

      A falling raindrop

    • B. 

      A gasoline-powered engine.

    • C. 

      Striking a match.

    • D. 

      A hockey puck sliding on ice.


  • 7. 
    The law of conservation of energy states that
    • A. 

      Energy cannot be converted from one form to another.

    • B. 

      Energy cannot be created or destroyed.

    • C. 

      Energy resources must be used efficiently.

    • D. 

      Energy is constantly being lost to friction.


  • 8. 
    Select all of the examples of gravitational potential energy.
    • A. 

      Stretched rubber band

    • B. 

      A rock on a cliff

    • C. 

      A diver on a diving platform

    • D. 

      A rubber ball on a table

    • E. 

      A stretched guitar string


  • 9. 
    Select all of the examples of elastic potential energy.
    • A. 

      A stretched rubber band

    • B. 

      A rock on a cliff

    • C. 

      A diver on a diving platform

    • D. 

      A rubber ball on a table

    • E. 

      A stretched guitar string


  • 10. 
    Select examples of thermal energy.
    • A. 

      Chemical bonds between carbon atoms and hydrogen atoms in methane gas

    • B. 

      Movement of atoms in water

    • C. 

      Suns rays

    • D. 

      Lightning

    • E. 

      Movement of atoms in a pencil


  • 11. 
    Select examples of chemical energy
    • A. 

      Marshmallows

    • B. 

      Lightning

    • C. 

      Burning wood

    • D. 

      Forces that hold atomic nuclei together

    • E. 

      X-rays


  • 12. 
    Select examples of electrical energy
    • A. 

      Bouncing ball

    • B. 

      Battery

    • C. 

      Lightning

    • D. 

      X-ray

    • E. 

      CD player


  • 13. 
    Select examples of electromagnetic energy.
    • A. 

      Battery

    • B. 

      Sunlight

    • C. 

      X-ray

    • D. 

      Bouncing ball

    • E. 

      Microwave


  • 14. 
    Select nuclear examples of nuclear energy.
    • A. 

      Heat and light of the Sun

    • B. 

      X-ray

    • C. 

      Radio

    • D. 

      Byron power plant

    • E. 

      Bouncing ball


  • 15. 
    What happens to the atoms of an object if its thermal energy is increased.
    • A. 

      Nothing happens to the atoms.

    • B. 

      The atoms move faster.

    • C. 

      The atoms move slower.

    • D. 

      Some atoms speed up and some slow down.


  • 16. 
    Explain the energy conversions that occur as a basketball falls, hits the ground, and bounces back up.  Ignore frictional forces.
    • A. 

      Energy is not converted at all.

    • B. 

      Kinetic energy is converted into potential energy as the ball falls and potential energy is converted into kinetic energy as the balls rises.

    • C. 

      Thermal energy is converted into mechanical energy.

    • D. 

      Gravitational potential energy is converted into kinetic energy as the ball falls. Kinetic energy is converted into elastic potential energy as the ball hits the ground. The elastic potential energy is converted back into kinetic energy as the ball springs back into shape. The ball's kinetic energy is converted back into gravitational potential energy as the ball rises.


  • 17. 
    What force is acting when kinetic energy of a moving objectis converted into thermal energy? 
    • A. 

      Strong nuclear force

    • B. 

      Friction

    • C. 

      At a distance force

    • D. 

      Weak nuclear force


  • 18. 
    Which form of energy does a plant store when light is transformed during photosynthesis?
    • A. 

      Chemical energy

    • B. 

      Thermal energy

    • C. 

      Mechanical energy

    • D. 

      Electrical energy

    • E. 

      Nuclear energy


  • 19. 
    Which of the following is NOT an example of kinetic energy being converted to potential energy?
    • A. 

      A basketball player jumping for a rebound

    • B. 

      Releasing a compressed spring

    • C. 

      Squeezing a rubber ball

    • D. 

      Pulling a sled up a hill

    • E. 

      A swing moving upward


  • 20. 
    Friction causes kinetic energy to be converted into
    • A. 

      Potential energy

    • B. 

      Thermal energy

    • C. 

      Mechanical energy

    • D. 

      Electrical energy

    • E. 

      Chemical energy


  • 21. 

    At which location(s) does the pendulum have maximum potential energy?         
    • A. 

      1 and 2

    • B. 

      2 and 4

    • C. 

      3 only

    • D. 

      4 and 5

    • E. 

      1 and 5


  • 22. 

    At whcih location(s) does the pendulum have a maximum kinetic energy?         
    • A. 

      1 and 2

    • B. 

      2 and 4

    • C. 

      3 only

    • D. 

      4 and 5

    • E. 

      1 and 5


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