Across
- 2. caused by plates, these can sometimes spew magma
- 3. liquid layer 2200km thick
- 5. amout of total layers in earth
- 8. made the theory of continental drift
- 10. name of landmass where all earths land was connected
- 14. bottom layer of a dense layer of rock in earth
- 15. less than 1% of earths mass
- 17. things cool and sink, then heat and rise here
- 21. state of matter in lower mantle
- 22. last layer inside earth
Down
- 1. type of currents in layers of earth
- 3. layer of rock under the sea
- 4. what the crust is made of
- 6. liquid in convection currents
- 7. top layer of earth
- 9. the planet we are studying the layers of
- 10. name of the sections on top of easrth
- 11. above the convection currents
- 12. above the upper mantle
- 13. plastic like layer below lithosphere
- 16. unit used to measure thickness of earths layers
- 18. state of matter in inner core
- 19. amount of main layers inside earth
- 20. also name of a coin, this makes ujp part of the outer core
