Plate tectonics

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Across
  1. 2. The less dense plate slides under the more dense plate creating a subduction zone
  2. 6. Boundary between two plates that are moving apart or rifting
  3. 7. Boundary between two plates that are sliding past each other
  4. 12. The plastic layer below the lithosphere
  5. 15. Causes sea floor spreading
  6. 17. Where the less dense plate slides under the more dense plate
  7. 18. The earths crust and upper mantle are broken into section called plates
  8. 19. Extremely hot liquid and semi-liquid rock located under earths surface
  9. 20. The crust and part of the upper mantle
Down
  1. 1. Divergent, convergent, transform boundary
  2. 3. boundaries between two plates that are colliding
  3. 4. hot magma in the Earth moves toward the surface, cools, then sinks again
  4. 5. Plates below the continents
  5. 8. Occurs at subduction zones
  6. 9. fault
  7. 10. Collision zones
  8. 11. Happens when two blocks of the earth suddenly slip past one another
  9. 13. Moving past each other
  10. 14. Plates below the ocean
  11. 16. Hitting each other