Plate Tectonics

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Across
  1. 3. slide past each other
  2. 6. Alfred Wegner came up with this
  3. 7. Zone Sniking of regions
  4. 9. Liquid layer of the planet
  5. 11. Property that involves reaction
  6. 14. The nature of something constitutes
  7. 16. Theory that explains how large pieces move together
  8. 18. Alomost 10 major plates in it
  9. 20. Makes 66% of the earth
Down
  1. 1. Harry Hess came up with this
  2. 2. Break in body of rock
  3. 4. Soft plastic-like layer of the Mantle
  4. 5. Thin, solid, rigid layer of earth.
  5. 8. Stress occurs when forces squeeze object
  6. 10. Crust and Mantle combined
  7. 12. Move apart
  8. 13. Solid iron and nickel
  9. 15. Innermost layer of the earth
  10. 17. Move to together
  11. 19. Makes 33% of the earth