Chapter 14 Crossword

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Across
  1. 3. Energy is defined as the ability to do _____
  2. 4. energy unit
  3. 5. In a ____ system, the total amount of energy remains the same
  4. 6. renewable energy may depend on the environment, making is potentially ____
  5. 8. ____ energy uses crop remnants and animal wastes as fuel
  6. 10. A slice of pizza would best be described as having ____ energy
  7. 12. GPE = ____
  8. 14. energy depends only on velocity/speed and mass.
  9. 15. At the top of a jump, all energy is ____ potential energy
  10. 16. ____ fuel energy is formed from the remnants of compressed plant and animal matter
  11. 18. Energy and matter are ____
  12. 19. 10% of the world’s electricity supply
Down
  1. 1. fossil fuels include coal, natural gas, and ____
  2. 2. ____ energy originates from hot water or rock beneath the earth’s surface
  3. 7. an energy resource that is easily replaced by natural methods
  4. 9. ___ energy uses the kinetic energy of the sea as it rises and falls
  5. 11. Kinetic energy could be described as the energy of _____
  6. 12. ____ energy is the sum of all forms of kinetic energy and potential energy in a system
  7. 13. ___ energy uses the gravitational potential energy of water
  8. 17. Potential Energy: ____ energy that can be used later