Geology

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Across
  1. 1. where plates come together
  2. 5. The theory that explains how large pieces of the Earth's crust move and change
  3. 10. The thinnest layer of the earth
  4. 12. This layer is made of iron and nickel
  5. 14. The biggest layer of the earth
  6. 15. A theory made by Alfred Wegener
  7. 16. This layer is solid due to the pressure
  8. 17. the mechanical layer right in the middle
  9. 19. Layer made up of the crust and upper mantle
  10. 20. this layer is made of iron and nickel and is solid
Down
  1. 2. where plates move away from each other
  2. 3. Stress that occurs when the forces act to squeeze an object
  3. 4. Properties that involve a reaction to an applied load
  4. 6. The nature of something's ingredients or constituents\
  5. 7. where one plate sinks below another
  6. 8. a break in a body of rock along which one block slides relative to another
  7. 9. These make up the lithosphere and the continents are on them
  8. 11. A theory made by Howard Hess
  9. 13. where plates slide past each other
  10. 18. The soft plastic-like layer of the mantle