Plate tectonicts
Across
- 4. The soft, ductile layer of the upper mantle on which the tectonic plates move.
- 7. plates (large slabs of the lithosphere that move on the asthenosphere)
- 8. The rigid outer part of the earth, consisting of the crust and upper mantle, which is broken into tectonic plates.
- 11. Currents: The circular motion of the mantle's hot, less dense material rising and cooler, denser material sinking, which drives the movement of tectonic plates
- 12. (the soft, pliable layer of the mantle)
- 14. Where two plates move away from each other.
Down
- 1. Tectonics: The scientific theory that Earth's outer shell is divided into several plates that glide over the mantle.
- 2. (the rigid outer layer of the Earth)
- 3. Creates new oceanic crust at mid-ocean ridges as plates diverge.
- 5. Where two plates slide past each other horizontally.
- 6. A valley formed on land when continental plates pull apart.
- 9. Occurs when one plate sinks beneath another, often creating a trench and volcanic activity.
- 10. Boundary: Where two plates move toward each other.
- 13. Building: Occurs when continental plates collide and are uplifted.