Across
- 5. Trench, deepest part of the world's oceans
- 6. Trench, long narrow depression on the sea floor
- 9. Zone deepest zone of the ocean
- 11. Slope, continental side of an ocean trench
Down
- 1. Slope, oceanic side of an ocean trench
- 2. small submarine used to research and explore
- 3. Cameron, scientist involved in an unmanned expedition to the bottom of the Marian Trench
- 4. one of a kind
- 7. deep opening in the earth's surface
- 8. dip or depression in the surface of the ocean floor
- 10. Ocean, ocean where Mariana Trench is located