Science Crossword Puzzle

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Across
  1. 3. a process where substance doesnt change
  2. 5. Atoms and compounds are all made of part
  3. 7. energy used to measure nonmovement
  4. 9. things an ocean produces
  5. 15. a process where a substance changes
  6. 17. Energy that measures movement
  7. 20. Energy found in space
Down
  1. 1. Can come from nuclear bombs
  2. 2. the result of the movement of atoms
  3. 4. Top of a wave
  4. 6. used to describe different energy
  5. 8. used to power on lights
  6. 10. Waves created when vibrations happen
  7. 11. the energy that is possessed by motion
  8. 12. Things electricity can travel through
  9. 13. produced when a rise in temperature
  10. 14. Definite shape and volume
  11. 16. No definite shape but definite volume
  12. 18. Center of a cell
  13. 19. No definite shape or volume