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