Crossword puzzle for science

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