Geology Crossword Puzzle

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Across
  1. 2. the thickest part of the earth, and is under the crust
  2. 5. when two tectonic plates separate
  3. 6. the theory that explains how large peices of the Earth's crust move and change shape
  4. 8. the outermost part of the core
  5. 10. a big crack in the earth, due to a transform boundary
  6. 12. stress that occurs when the forces act to squeeze an object
  7. 14. upper mantle
  8. 16. the ring of fire is a good example of this
  9. 17. the part of the earth we live on
  10. 18. how the layers of the earth nove and behave
  11. 19. when two tectonic plates slide past eachother, or one slides past another
Down
  1. 1. gigantic pices of the crust and upper mantle, they move due to convection currents and contenental drift
  2. 3. a theory that Harry Hess discovered, and it is when magma comes out of the earth to make more (bank)
  3. 4. the theory that the tectonic plates are moving
  4. 7. the center of the earth, it is also under the mantle
  5. 9. another name for the crust and upper mantle
  6. 11. another name for lower mantle
  7. 12. some of these layers are the contenental crust, oceanic crust,mantle, and core
  8. 13. when two tectonic plates come together and result in a landmarck
  9. 15. the innermost part of the core, is also soli due to the pressure of all the other layers of the earth