Pick a project assignment

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Across
  1. 8. the plane along which the rock or crustal material has fractured
  2. 9. outer layer of earth
  3. 12. a fraction between two blocks of rock
  4. 16. this happens when two plates move away from each other
  5. 17. when plates slide past each other
  6. 18. The rock material which lies above the fault plane
  7. 19. the center of the earth
  8. 20. Appears when continental plates collide
  9. 22. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Down
  1. 1. this happens when two plated move towards each other
  2. 2. a large mass of land
  3. 3. the mostly solid bulk of earths interior
  4. 4. a mountain or hill that erupts with lava
  5. 5. molten rock in earths crust
  6. 6. created by shearing along transform boundaries
  7. 7. a person who studies rocks and earths landforms
  8. 10. A process moving around rocks and minerals below earths surface
  9. 11. The rock material which lies below the fault plane.
  10. 13. a long narrow ditch
  11. 14. Alfred Wegner came up with this theory
  12. 15. the bottom of the sea
  13. 21. the only habitable planet