Science

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Across
  1. 4. Glaciers abrade and ____ rocks and sand as they move over the land
  2. 5. The process of new crust and destroyed/recycled
  3. 8. Long periods of this is called..?
  4. 12. The... is approximately 4.5 billion years old
  5. 13. How many main types of glaciers
  6. 14. Recycled at the Deep-Ocean Trenches
  7. 15. Core 2nd thinnest
  8. 17. How many major plates?
  9. 18. found high up in the mountains
  10. 20. Moves extremely slow
  11. 21. Glaciers cover most of..
Down
  1. 1. Are areas in the boundaries that are "super active"
  2. 2. Glaciers are also responsible for the formation of valleys and types of..
  3. 3. Thickest layer
  4. 6. Glaciers are like..
  5. 7. They cover whole continents
  6. 9. The Earths crust is..
  7. 10. The theory of Continental Drift was put forward by
  8. 11. Thinnest layer of Earth
  9. 16. Crust Is being made at the Mid-Ocean ridges
  10. 19. how many layers of the Earth
  11. 22. core 2nd thickest