Plate Tectonics!

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Across
  1. 2. a break in the earths crust that moves
  2. 5. Hess credited with the theory of Plate Tectonics
  3. 6. Boundary when two plates pull apart
  4. 9. Boundary when two plates come together
  5. 10. of Continental Drift Theory that continents move due to a force
Down
  1. 1. Wegener credited with the theory of Continental Drift
  2. 3. large supercontinent that existed 250 million years ago
  3. 4. large pieces of earths crust that move due to convection currents
  4. 7. Boundary when two plates grind past each other
  5. 8. depression formed at a subduction zone