layers of earth

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