Energy crossword puzzle

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Across
  1. 2. of an atom
  2. 4. of radiation which travels
  3. 5. all the particles of an object
  4. 9. the energy of light and other
  5. 12. energy that an object has due to its
  6. 14. space as waves
  7. 15. position also the internal stored
  8. 16. kinetic or potential energy energy
  9. 19. with the motion or
  10. 21. of an object such as energy
  11. 23. when they rub against each other
  12. 24. a form of potential energy that is
  13. 25. the energy an object has because of
Down
  1. 1. of an object
  2. 3. the rule that energy
  3. 6. the force that the surfaces exent on each
  4. 7. the energy of electrical changes
  5. 8. another also called an energy
  6. 10. the total kinetic and potential energy
  7. 11. the potential energy stored in the
  8. 13. the ablity to do work or cause change
  9. 17. a change from one form of energy
  10. 18. be created or
  11. 20. in chemical bonds between atoms
  12. 22. in chemical bonds