Across
- 4. thickest layer of earth
- 8. core what is the liquid layer of the earth
- 12. what is it called when two plates collide horizontally
- 13. what is the outermost layer of the earth called
- 15. the breaking down of rock is called
- 17. what is Pangaea
- 18. These form under water (on the ocean floor) at most convergent boundaries
- 19. cracks in earth's crust
- 20. what element makes up most of the earth's core
Down
- 1. melted rock inside of earth
- 2. Word used to describe the state of the mantle.
- 3. who is alfred wegener
- 5. the border between two tectonic plates is called
- 6. Type of crust that is thick and contains granite.
- 7. two plates collide they make...
- 9. these shake the earth
- 10. when two plates move away from each other
- 11. what is it called when two plates collide vertically
- 13. large solid area of land
- 14. in earth's crust where magma comes out
- 16. When one tectonic plate moves underneath another one, it's called this.