Geology

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Across
  1. 1. A guy named Alfred Wegner thought of this theory
  2. 4. When the plates come together and collide
  3. 9. This is the innermost layer in the core
  4. 10. A guy named Harry Hess thought of this
  5. 11. This is the second layer in the mechanical properties
  6. 13. This has the crust and upper mantle are
  7. 16. the outermost layer of the core
  8. 18. The second and thickest layer of the earth
  9. 19. This forms where the oceanic plate descends underneath the other
Down
  1. 2. A theory where there was one big super continent drifted apart into our seven continents
  2. 3. A very big slab of rock
  3. 5. lithosphere, asthenosphere, mesosphere, outer core, inner core
  4. 6. When the plates go away or move apart from each other
  5. 7. The last layer of the earth and there is inner and outer
  6. 8. the first layer and the thinnest layer
  7. 12. This is the third layer in the mechanical properties
  8. 14. A fracture between two blocks of rock
  9. 15. when the plates slide horizontally past each other
  10. 17. When something gets pressured and is squeezed
  11. 20. A rocks chemical and mineral make-up