Across
- 3. boundary between two or more plates
- 6. forms where tectonic plates move apart/rift
- 8. two tectonic plates moving away from each other
- 9. plates slide past each other
Down
- 1. two plates moving toward each other
- 2. a large block that reacts to tectonic forces as a unit
- 4. broad zone
- 5. large body of water
- 7. large hills
- 10. where new oceanic crust is formed by upwelling mantle