electricity

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Across
  1. 2. measurement of electrical power
  2. 5. hydro power
  3. 8. lights get turned on and off
  4. 10. electricity passes
  5. 14. what objects are made of
  6. 16. is something you can only use once
  7. 17. to do work
  8. 18. formed millions of years ago
  9. 19. a strike of electricity on the ground
Down
  1. 1. mechanical
  2. 3. helps you in ways
  3. 4. sun
  4. 6. tiny particles
  5. 7. are known as fossils
  6. 9. wind
  7. 10. when friction is created from 2 objects
  8. 11. nucleus equal to that of an electron
  9. 12. electrical current
  10. 13. you can get easy or can use more than once
  11. 15. electrical power