plate tectonic
Across
- 2. the prosses of where crust pushes downword into the mantle
- 5. used to discribe
- 6. plates slowly move apart of each other
- 7. a large part of earthes crust that slowly moves
- 9. was the first scientific case to support the theory of Continental drift
- 11. where the crusts move sidways past each other
- 12. bottom mountain ranges split down the middle by a deep crack
- 13. are slowly collide together
- 14. movment of oceans floor
- 15. the uppermost solid part of the earths crust
Down
- 1. circular patterns in magma
- 3. a type of plant boundary where the
- 4. v-shaped valleys that are the deepest part of ocean
- 8. the branch of geology that deals with the movment that shapes the earths crust
- 10. another name for the deep crack