Plate Tectonics

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Across
  1. 4. the uppermost layer of the earth
  2. 8. melted rock on the earth's surface
  3. 9. the process in which crust breaks apart
  4. 12. a landform where two continental plates converge and crunch up
  5. 13. a process caused by a divergent plate boundary
  6. 15. a plate boundary where two plates slide past each other
  7. 18. a plate boundary where two plates move toward each other
  8. 19. the crust and uppermost mantle
  9. 20. a vent on earth's surface in which magma come out
  10. 21. the most recent super continent
Down
  1. 1. when plates move because of plate tectonics
  2. 2. the scientist who proposed the theory of plate tectonics
  3. 3. a plate boundary where plates move away from each other
  4. 5. when one plate dives under another plate
  5. 6. shaking as a result of plate movement
  6. 7. currents in the mantle that circulate magma and move tectonic plates
  7. 10. a valley that forms at a subduction zone
  8. 11. a theory of how our continents were made and move
  9. 12. molten rock inside of the earth's crust
  10. 14. a chain of underwater mountains
  11. 16. where convection currents occur
  12. 17. the division of earth's surface into sections