Chapter 15

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Across
  1. 2. a source of energy that exists in limited quantities and, once used, can not be replaced except over the course of millions of years
  2. 7. energy that is stored as a result of position or shape
  3. 10. the energy stored in atomic nuclei
  4. 11. energy obtained from flowing water
  5. 12. the energy associated with the motion and position of everyday objects
  6. 15. potential energy that depends upon an object’s height above a reference point
  7. 16. a source of energy that can be replaced in a relatively short period of time
  8. 17. the chemical energy stored in living things
  9. 18. the process of changing energy from one form to another
  10. 19. the energy stored in chemical bonds
Down
  1. 1. the potential energy of an object that is stretched or compressed
  2. 3. the energy associated with electric charges
  3. 4. the practice of finding ways to use less energy or to use energy more efficiently.
  4. 5. the total potential and kinetic energy of all the particles in an object.
  5. 6. the rich deposits of hydrocarbon mixture that formed from the remains of organisms
  6. 8. the ability to do work
  7. 9. the energy an object has due to its motion
  8. 13. thermal energy beneath Earth’s surface
  9. 14. sunlight that is converted into usable energy
  10. 18. a form of energy consisting of changing electric and magnetic fields