I.E. Chapter 1 Review

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Across
  1. 1. the man who discovered sea floor spreading
  2. 7. Molten material adds new oceanic crust to the ocean floor
  3. 10. liquid rock layer
  4. 11. type of boundary that moves in opposite direction
  5. 12. type of boundary that slides past each other
  6. 13. one giant land mass millions of years ago
  7. 15. thinnest layer of earth
  8. 16. center of the earth
Down
  1. 2. oceanic crust sinks back to mantle
  2. 3. developed Theory of Continental Drift
  3. 4. the main type of rock found in the oceanic crust
  4. 5. Waves that are sent toward center of earth and produce “image”
  5. 6. 2 plate go towards each other
  6. 8. this and temperature increase as we go deeper into the earth
  7. 9. the main type of rock found in the continental crust
  8. 14. the study of planet earth and what makes and shapes it