techtonic plates

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Across
  1. 3. a large part of the earths crust that slowly moves
  2. 7. a type of plate boundry where the plates slowly move
  3. 8. ocean mountain ranges split down the middle
  4. 9. a type of fault where the crust sideways past eachother
  5. 10. the uppermost solid part of Earths crust
  6. 12. the process in which crust pushes downward into the mantle at the fault line
  7. 14. movement of the ocean crust
Down
  1. 1. first person to build a scientific case to support the theory of the continental drift
  2. 2. force behind plate movement
  3. 4. v-shaped valleys that are the deepest parts of the oceans
  4. 5. a super continent
  5. 6. the branch of geology that deals with the movement that shapes earths crust
  6. 11. the preserved remains of anicient, once living organisms
  7. 13. the plate boundry where the plates slowly collide into each other