Across
- 2. Deep steep-sided valleys
- 3. Interconnected system of underwater mountains that develop on newly formed oceanic crust
- 9. In regions where trenches do not exist the continental slope turns into this
- 10. Occasional movements of dense, sediment-rich water down the continental slope
- 11. Deep, extremely flat features
Down
- 1. Occurs at divergent plate boundaries
- 4. The submerged volcanic peaks that dot the ocean floor
- 5. Gently sloping submerged surface extending from the shoreline
- 6. The zone of transition between a continent and the ocean basin floor
- 7. Between the continental margin and mid-ocean ridge
- 8. Marks the seaward edge of the continental shelf