Plate Tectonics
Across
- 1. When one plate goes under another
- 6. A 100 km thick layer that consists of the crust and upper mantle
- 7. The driving force of plate tectonics
- 8. Plates that slide past each other
Down
- 2. Plates that move toward each other
- 3. Where most earthquakes and volcanoes happen
- 4. Plates that move away
- 5. Sections of the lithosphere