Science pg 157 - 162

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Across
  1. 1. under sea valleys
  2. 3. Undersea mountains
  3. 5. Second Layer of the Earth.
  4. 6. Third Layer of the Earth
  5. 13. The crust under the oceans
  6. 15. Chain of under sea mountains in the Atlantic
  7. 16. study of Earth's oceans
  8. 18. The Atlantic ocean is getting _______________________.
  9. 19. the number of ocean ridges on Earth.
  10. 20. The Pacific Ocean is getting ________________________.
  11. 21. First Layer of the Earth
  12. 22. Final layer of the Earth
Down
  1. 2. What is produced based on a hypothesis
  2. 4. The Crust under the Continents
  3. 7. What comes up from the mantle during the process of sea floor spreading.
  4. 8. Process where molten rock flows up through a crack in earth's crust.
  5. 9. Sinking movement of ocean floor back into the mantle
  6. 10. Has one large ridge and No subduction zones
  7. 11. the supercontinent where all the continents were connected
  8. 12. an idea that can be tested or investigated
  9. 14. Ocean with ridges and subduction zones
  10. 17. the scientist who created the hypothesis in 1912 about the Continental Drift.