Plate Tectonics Review

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Across
  1. 3. primary force behind plate movement
  2. 6. igneous rock that comprises the oceanic crust
  3. 9. fault produced as a result of compression
  4. 10. study of earthquakes
  5. 11. the fastest seismic wave
  6. 15. boundary that cannot produce volcanoes
  7. 16. large volcanic, underwater mountain range
  8. 19. stress formed at divergent boundaries
  9. 20. where plates are destroyed
Down
  1. 1. volcano most often formed at a convergent boundary
  2. 2. divided up into the tectonic plates
  3. 4. stress formed at a convergent boundary
  4. 5. a large strike-slip fault in California
  5. 7. boundary forms island arc volcanoes and subduction zones
  6. 8. rocks formed inside of a volcano
  7. 12. igneous rock that comprises the continental crust
  8. 13. boundary forms rift valleys and mid-ocean ridges
  9. 14. fault produced as a result of tension
  10. 17. folded mountains in Virginia formed when North American collided with Africa
  11. 18. stress formed at transform boundaries