Plate Tectonics

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Across
  1. 5. A _______is created at a transform boundary
  2. 6. The person who discovered “seafloor spreading"
  3. 9. What type of process is created by a divergent boundary.
  4. 10. transfer of heat by direct contact
  5. 11. the layer of hot, solid material between Earth's crust and core
  6. 12. the transfer of heat by the movement of a fluid
  7. 14. an underwater moutain chain where new ocean floor is formed
  8. 16. The Mid-Ocean ___ is a seafloor mountain
  9. 18. when plates move away from each other
  10. 19. a rigid layer of the Earth's crust that is believed to drift slowly
Down
  1. 1. A deep valley that forms where two plates move apart.
  2. 2. when plates move towards each other
  3. 3. the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
  4. 4. when plates slide past each other
  5. 7. proposing the theory of continental drift
  6. 8. Circular currents in the mantle caused by the magma being heated by the core off the Earth.
  7. 13. The mantle is made up of iron and ___
  8. 15. caused by plate tectonics
  9. 17. Supercontient