Geoffrey Aikens tectonic plates crossword

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Across
  1. 1. Occurs when two tectonic plates are rubbing against each other in opposite directions
  2. 4. Liquid layer of the earth made of molten rock made of more iron than nickel creates earths gravitational pulls
  3. 6. The crust, Mantle and Core, the layers of the earth based off of composition
  4. 7. The outermost layer of the earth; continental or oceanic
  5. 9. Theory which states that there are different types of plates in the earth
  6. 12. Occurs when two tectonic plates are moving away from each other
  7. 14. Lighter more durable rock found on continental crust
  8. 16. Occurs when two plates are at a transform and a rock slips
  9. 17. Theory created by Alfred Wegener; says that the earth's continents are always moving
  10. 18. The idea that the sea has a ridge in the middle which is creating new ocean
  11. 23. What the earth's crust is broken up into; broken up into different parts called continental
  12. 25. Occurs when two tectonic plates are moving into each other
  13. 26. occurs when two oceanic plates diverge
  14. 27. Woman who thought of the theory of seafloor spreading
  15. 29. Layer below the crust; dense and in parts semiliquid; 1800 miles long
Down
  1. 2. Occurs when 2 oceanic plates converge or when a continental plate and an oceanic plate converge
  2. 3. Lower part of the mantle
  3. 5. Consists of the earth's crust and part of the mantle; floats on top of asthenosphere
  4. 8. Occurs when two Continental plates converge
  5. 10. Type of crust made out of granite; found in continents
  6. 11. Area of the earth where magma comes out and new land is created; 2 convergent oceanic plates
  7. 13. Earths innermost part made of more nickel than iron which so hot and pressurized that it cant melt
  8. 15. Occurs when two continental plates diverge
  9. 19. Earths most recent supercontinent, Greek for "All the Earth"
  10. 20. Man who thought of the theory of continental drift
  11. 21. Allows convection currents to flow and is the upper mantle; Semiliquid
  12. 22. The lithosphere, asthenosphere, and mesosphere, the layers based off of what they do
  13. 24. Type of crust made out of basalt; found in oceans
  14. 28. Dense dark colored rock that oceanic crust is made of