Plate Tectonic Boundaries & Features Crossword Puzzle

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Across
  1. 3. the hypothesis that the Earth's continents have moved closer together over time
  2. 4. large slabs of rock that divide Earth's crust
  3. 7. a tectonic plate that consists primarily of continental crust
  4. 9. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
  5. 11. a seafloor mountain system formed by plate tectonics
  6. 12. the rigid outer part of the earth, consisting of the crust and upper mantle
  7. 14. a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other
  8. 15. Originator of Continental Drift theory
Down
  1. 1. an opening in the sea floor out of which heated mineral-rich water flows.
  2. 2. an area on Earth where two or more lithospheric plates collide
  3. 5. a long cut in the ground : ditch
  4. 6. the uppermost layer of the oceanic portion of the tectonic plates
  5. 8. places where plates slide sideways past each other
  6. 10. occurs when two tectonic plates move away from each other
  7. 13. the continent we now know as North America was contiguous with Africa, South America, and Europe