Across
- 3. a loose sleeveless cloak or shawl
- 4. crust the thick part of earths crust that forms large land mass
- 7. is the theory that Earths outer crust is divided into several plates that glide over the plastic-like and less rigid asthenosphere
- 9. a long narrow hilltop, mountain range
- 10. crust a thin layer of crust that underline the ocean basins
Down
- 1. the formation of new areas of oceanic crust
- 2. drift the gradual movement of the continents across the earths surface though geological time
- 5. the upper layer of earths mantle
- 6. the rigid outer part of the earth
- 8. a long narrow ditch