Plate Tectonics and MORE!!!

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Across
  1. 5. this famous mountain range was created by continental collision
  2. 8. these form at this boundary that slides
  3. 9. the only fault that collides
  4. 11. rift valleys are made from this boundary
  5. 13. rising magma cools filling the cracks and spreading apart forming new crust
  6. 17. what is the boundary in which plates collide
  7. 18. the man who proposed the theory of seafloor spreading
  8. 20. uses sheer force
Down
  1. 1. when continental plates move apart this can possibly form
  2. 2. the fault where the hanging wall moves down
  3. 3. the point inside the earth in which the earthquake really happens
  4. 4. this is the boundary where most earthquakes happen
  5. 6. the system of ridges formed by this place
  6. 7. what pushes the plates around
  7. 10. the zone where the oceanic plate plunges beneath the less dense continental plate
  8. 12. the layer that is the crust of the earth and its upper mantle combined
  9. 14. the plastic like layer below the lithosphere
  10. 15. earths crust and part of the upper mantle broken into sections
  11. 16. the point on the surface above the earthquake
  12. 19. this was used to map the ocean