energy puzzle

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Across
  1. 1. how high or tall something is
  2. 4. it measures energy
  3. 5. its powered by electrical energy
  4. 6. it is made from thermal energy
  5. 10. it powers a car
  6. 12. something in motion has this energy
  7. 15. a pendulum uses it to move
  8. 17. it helps you see the inside of your body
  9. 18. energy stored in an object that can be compressed or stretched
  10. 19. it makes radiation
Down
  1. 2. it makes lightning
  2. 3. something that is not in motion has this energy
  3. 7. it makes every thing in our world move
  4. 8. it powers the human body
  5. 9. another word for heat
  6. 11. a magnet that can be turned off
  7. 13. something that is not moving that is in the air
  8. 14. another word for energy
  9. 16. it powers a lot of power plants