Ami's Earth layers and plate tectonics vocab

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Across
  1. 4. regular names eg. Mantle Core and Crust
  2. 6. Lava in the shape of a Pillow
  3. 8. How Mid-Ocean ridges form
  4. 10. when the magnetic field pole reverse
  5. 11. Typically named after landmass or ocean in the region
  6. 14. what plate tectonics are on
  7. 15. Outermost layer
  8. 18. When two plates slide past eachother.
  9. 19. more formal names eg. inner core outer core lithosphere and asthenosphere
  10. 21. theory that states continents drift
  11. 22. two plates separating
  12. 24. the thinner crust
  13. 25. S-waves and P-waves combined is this
  14. 29. Formed when two Oceanic plates Converge
  15. 30. occurs when two oceanic plates separate
  16. 31. a chain of volcanic islands
  17. 33. the thicker crust
  18. 34. middle layer
  19. 40. The Theory that was a combination of sea floor spreading and continental drift
Down
  1. 1. the study of earths magnetic field
  2. 2. Rock that was lava
  3. 3. when two plates slide past each other this earth shaking event occurs
  4. 5. hot liquid that comes from a volcano
  5. 7. Two plates colliding
  6. 9. When two continental plates separate this forms
  7. 10. rock that helps scientists study the magnetic reversals
  8. 12. a chain of volcanoes
  9. 13. liquid layer
  10. 16. sedimentary processes
  11. 17. an intrusive igneous Rock with grained texture
  12. 20. semiliquid layer and is under the lithosphere
  13. 23. resist deformation
  14. 26. Lava Currents in the mantle
  15. 27. When the denser plate "sinks" under another
  16. 28. field that protects us from radiation from the sun
  17. 32. proposed the theory of continental drift.
  18. 35. device that detects the bottom of the ocean
  19. 36. drew maps of ocean floor
  20. 37. thickest layer of earth
  21. 38. the center of the earth and hottest part of earth
  22. 39. rock formed from lava
  23. 40. Super continent from 250 Million Years ago