Crossword puzzle for science

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Across
  1. 5. boundary A place where two plates meet
  2. 7. of a diagram that shows the inside of some thing
  3. 11. layer of solid rock underneath soil
  4. 12. A natural spring, that sends water and steam into the air
  5. 14. center of the earth
  6. 15. a soft or hard layer under the plates
  7. 16. one of the very large pieces of solid rock
  8. 17. move apart
  9. 18. a long deep indent in the ocean
Down
  1. 1. under water mountain
  2. 2. something that happens over and over again
  3. 3. bone from an ancient animal
  4. 4. activity lava,ash,and gas get pushed out
  5. 6. sudden shake of earths surface
  6. 8. lava spews out
  7. 9. name of the supercontinent
  8. 10. boundary the place for two plates meet
  9. 12. a person who studies Rock
  10. 13. how fast something happens
  11. 19. move together