Plate Tectonics
Across
- 3. plates crashed together forming -------
- 6. if simaler fosile are seen all around the world that means that the world may have been --------
- 7. plates that are under the ocean
- 10. was a theory in 1912
- 11. how many major plates are there
- 12. ice sheets,mountains,fosils and contanets fitting together is -------- that the theory of continental drift may be true
- 13. plates crashed together
- 14. what plate is the ring of fire mainly located
- 17. was a theory 50 years ago
- 20. what is the first layer of the earth called
Down
- 1. plates that are under the continents
- 2. which ocean is the fire located
- 4. where is 90% of the world earthquakes
- 5. a plates slides under anouther plate
- 8. what is the center of the earth called
- 9. move on the liquid layer
- 15. south America and Africa --- together
- 16. where does earthquakes happen on plates
- 18. how minor plates are there
- 19. mega continent