Plate Tectonics crossword

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Across
  1. 1. This is between the mantle and the inner core
  2. 4. the outermost part of the earth
  3. 8. German scientist who had a theory on how pangaea separated
  4. 10. used to be one single piece of land
  5. 12. This is located at the top of the crust to the mantle
  6. 14. A hypothesis that states that there used to be one single land but drifted away since then.
  7. 15. A crack in the earth
Down
  1. 2. when two plates move toward each other
  2. 3. When two plates move away from each other
  3. 5. a valley that moves away from each other because of the plates
  4. 6. a series of mountain form underwater
  5. 7. this is located in the center of the earth
  6. 9. This layer is between the crust and core
  7. 11. the top of the mantle to the outer core
  8. 13. A deep canyon on the ocean floor