Lewis W. Vocab Review

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Across
  1. 2. The materials or elements of which each layer is composed
  2. 3. This boundary type occurs when 2 plates move apart from eachother
  3. 6. What happens to an oceanic plate when it converges with a continental plate
  4. 8. Oceanic plates are mainly comprised of this
  5. 12. The study of Earth's magnetic polarity
  6. 15. The uppermost layer of the earth
  7. 17. Came up with the theory of Continental Drift
  8. 18. The technology that Marie Tharp used to graph the Atlantic
  9. 21. The way layers behave due to pressure and heat
  10. 24. The lithosphere is broken into these
  11. 27. This force moves the plates
  12. 29. The most well-known supercontinent
  13. 31. Lava before it is exposed to the surface
  14. 33. This occurs at a continental divergent boundary
  15. 34. A way lava is described
  16. 35. This occurs when 2 oceanic plates pull away from eachother
  17. 36. This is the name for when the Earth's magnetic field flips
  18. 37. This layer is broken into the tectonic plates
  19. 38. The type of boundary that occurs when 2 tectonic plates move past eachother
Down
  1. 1. This iron-rich mineral helps show the Earth's polarity
  2. 4. Stiff and firm
  3. 5. Marie Tharp assisted in the creation of this theory
  4. 7. This crust is made of basalt
  5. 9. The 2nd most inner layer of the Earth
  6. 10. This occurs at a convergent plate boundary near a subduction zone
  7. 11. Earthquakes give these waves off
  8. 13. Alfred Wegener came up with this this theory
  9. 14. Semi-Molten layer of the upper mantle
  10. 16. Graphed the northern Atlantic by hand
  11. 19. The largest layer of the Earth
  12. 20. This event is when sudden forces are released at a boundary and California is known for it
  13. 22. This crust is much deeper than the other
  14. 23. The innermost layer of the Earth
  15. 25. The type of lava that comes out at a Mid-Ocean Ridge
  16. 26. This boundary type occurs when 2 plates move towards eachother
  17. 28. The Earth is surrounded by this and it makes compasses work
  18. 30. Continental Plates are mainly comprised of this
  19. 32. What happens at mid-ocean ridges