Plate Tectonics

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Across
  1. 2. Area of land that existed 245 million years ago
  2. 6. Caused by an earthquake or earth vibration
  3. 8. Knowledge on which to base belief
  4. 9. Incapable of or resistant to bending
  5. 11. Pertaining to the structure or movement of the earth's crust
  6. 12. Plates that push together
  7. 14. Plates that pull apart
  8. 16. Cause to change; make different
  9. 17. One of the large landmasses of the earth
  10. 18. The bottom of a sea or ocean
Down
  1. 1. A large continuous extent of land
  2. 3. Pushes magma up through a thin hole
  3. 4. The branch of geology studying the folding and faulting of the earth's crust
  4. 5. Crash together with violent impact
  5. 7. Zones where mass of the crust is moving under another
  6. 10. A single thickness of some substance or material
  7. 13. A scientist devoted to systematic investigation
  8. 15. Long narrow depression on the sea floor