Across
- 3. crocodile-like dinosaur
- 4. crust of the earth
- 9. an isle of land
- 11. upper mantle
- 12. scientist of the continental drift theory
- 13. it causes continents to move
Down
- 1. pieces of the lithosphere that moves
- 2. remains of what was once alive
- 5. downward movement of a tectonic plate
- 6. a deep valley
- 7. marks on rocks from glaciers
- 8. to move apart
- 9. to move together
- 10. molten rock