Funny energy crossword thingy

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Across
  1. 3. Measured in "J"
  2. 6. Something before slapping something
  3. 8. What genre is "Car" in?
  4. 10. Think of japan after WW2
  5. 12. What Something has when it get high up
  6. 14. Hammers, Nails, that sort of thing.
  7. 15. What is used by literally everything
  8. 16. Think of a rubber band
  9. 18. FALLOUT!!!
  10. 19. I see bones
Down
  1. 1. I CAST THUNDER STORM!!
  2. 2. Don't stick a fork in an electrical socket.
  3. 4. This states that bla bla bla cant be destroyed
  4. 5. Something slapping something
  5. 7. MAGNETS
  6. 9. Mmmmmmm Bleach
  7. 11. What does a tall person have a lot of?
  8. 13. I CAST FIREBALL
  9. 17. HOT HOT HOT HOT HOT!