Tectonic Plates

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Across
  1. 3. formed by convergent boundaries
  2. 7. formed by divergent boundaries
  3. 8. ancient supercontinent named by wegener
  4. 9. the layer spanning from the end of the outer core to the thin crust on earths surface
  5. 10. formed by transform boundaries
  6. 13. scientist who came up with seafloor spreading
  7. 14. move around on top of the other sections
  8. 16. when plates crash together
  9. 18. when plates slide across each other
  10. 19. renews the earth
Down
  1. 1. the movement of a transform boundary
  2. 2. upper most part of the mantle
  3. 4. when plates move apart
  4. 5. a hypothesis that today's continents were once part of a super continent
  5. 6. move tectonic plates
  6. 11. the center most part of the planet
  7. 12. the scientist who came up with the continental drift theory
  8. 15. the layer outside of the inner core
  9. 17. the earths thin outermost layer