Marine Science Unit 2 Mega Crossword Review

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Across
  1. 4. Earth's early atmosphere had almost none
  2. 5. The most generic Halloween costume
  3. 10. A piece of continental drift evidence
  4. 17. The longest continuous mountain chain in the world Mid _____ _____ (2 words)
  5. 18. Boundaries that cause mid-ocean ridges
  6. 20. Theory that Earth's continents have moved apart and continue to do so. Continental ________
  7. 21. Single giant landmass that later broke apart
  8. 23. Big ol' scratches in rocks. Glacial __________
  9. 24. The release of a substance as a gas or vapor
  10. 25. Less dense crust that makes up the continents
  11. 27. Dense crust that sinks below continental crust
  12. 29. Where Wegener perished
  13. 30. Ring of Fire's ocean
  14. 32. Boundary where two plates slide past one another
  15. 33. Outer planets are made primarily of _____
Down
  1. 1. A piece of continental drift evidence
  2. 2. Is the Earth getting bigger?
  3. 3. Continental Drift theorist
  4. 6. Process where crust is forced below other crust and destroyed.
  5. 7. Boundary where two plates come together
  6. 8. Theory that we're all floating around on the upper mantle (2 words)
  7. 9. Mass per unit Volume of a substance
  8. 11. Deep ocean canyon formed by subduction
  9. 12. Your Marine Science teacher
  10. 13. How new seafloor gets created
  11. 14. Earth's cool, rigid, outer layer
  12. 15. Was slowly formed by seafloor spreading. (It's an ocean)
  13. 16. Theory that states universe is expanding and accelerating. Big ____
  14. 19. Found along the Ring of Fire. They might erupt.
  15. 22. You'll find volcano chains here (2 words)
  16. 25. The most dense part of earth
  17. 26. Country music legend who sang "Ring of Fire"
  18. 28. Naturalist who has a trail named after him
  19. 31. Inner planets have large ones