Plate Tectonic Crossword

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Across
  1. 3. the bending of rock layers
  2. 5. boundary between two colliding plates
  3. 10. theory that continents drift apart
  4. 11. soft layer of the mantle
  5. 12. Large moving section of lithosphere that contains continents and seafloor
  6. 13. Movement of a fluid because of density differences.
  7. 16. boundary between two plates that are sliding past each other
  8. 17. boundary between two plates moving away from each other
  9. 18. layer between the crust and the core
Down
  1. 1. a region where a an oceanic plate sinks down into the athenosphere
  2. 2. a break in the Earth's crust
  3. 4. outermost layer of the Earth
  4. 6. Deep valley which runs down the middle of a mid-ocean ridge
  5. 7. outermost, rigid layer of the Earth
  6. 8. Long chain of underwater mountains
  7. 9. the central part of the Earth below the mantle
  8. 10. a squeezing force
  9. 14. plate piece of the lithosphere that moves on the asthenosphere
  10. 15. Name of the hypothetical great continent
  11. 16. a pulling force