science vocab

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Across
  1. 2. started theory of continental drift
  2. 8. theory that the plates move
  3. 10. plates that move away from each other
  4. 11. a long narrow ditch
  5. 12. rigid lithospheric plates that move
  6. 13. sideways/downward movement to the edge of a plate
  7. 14. upper layer of the earths mantle
Down
  1. 1. new areas of oceanic crust
  2. 3. super continent
  3. 4. a current in a fluid
  4. 5. plates that move toward each other
  5. 6. rim where volcanoes and earthquakes occur
  6. 7. the rigid outer part of the earth
  7. 8. the plates of the earth
  8. 9. plates that slide past each other