Plate tectonic menu crossword

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Across
  1. 3. , tee for the super continent which contained all the plates together
  2. 4. , first layer of the earth
  3. 6. crust , thinner, more dense, younger crust making ocean floor
  4. 9. plates moving apart
  5. 10. crust , the portion of the earths crust that primarily contains granite
  6. 13. , process in which two plates collide and the denser ocean plates descends below the other
  7. 14. second layer of earth
  8. 17. core , last layer of earth
  9. 19. , fourth layer of earth
  10. 20. core , fifth layer of earth
Down
  1. 1. Wegener , proposed the theory of the continental drift
  2. 2. plates sliding past each other
  3. 5. , the layer of hot, solid material between earths crust and core
  4. 7. basin , areas that are below sea level
  5. 8. plates moving toward each other
  6. 11. , third layer of earth
  7. 12. , a weak spot in the crust where magma has come to the surface
  8. 15. , a giant wave usually created by a earthquake beneath the ocean floor.
  9. 16. , extremely deep areas in the ocean that are created by a subducting plate
  10. 18. Valley , long, narrow depression formed at divergent boundaries