Plate Tectonics

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Across
  1. 2. where part of the ocean floor goes into the mantle and creates new ocean material
  2. 6. part of the crust and upper mantle
  3. 7. supercontinent 300 million years ago
  4. 8. slide past
  5. 15. earthquakes
  6. 16. has the convection current
  7. 17. in the mantle, warms the earth
  8. 18. an instrument used to locate mid ocean ridges
  9. 19. divide
Down
  1. 1. organism preserved in rock
  2. 3. force that builds up, volcanoes
  3. 4. breaks in earths crust, San Andreas _____
  4. 5. the act of material spreading out from the mid ocean ridges
  5. 7. result of a force pushing on an object
  6. 9. the theory that the continents once were together and the drifted apart
  7. 10. collide
  8. 11. where pieces of land diverges
  9. 12. where new ocean floor material comes up from the mantle
  10. 13. pieces on the lithosphere that are broken into pieces
  11. 14. underwater canyons