Across
- 8. Created Continental drift theory
- 9. Currents in the mantle that move the crust
Down
- 1. Form when convergent boundaries collide
- 2. Plates that split apart
- 3. Plates that collide
- 4. Created sea floor spreading theory
- 5. Plates that slide past one another
- 6. When older crust falls under new crust
- 7. Created when transform boundaries slide