Across
- 2. the sloping surface between the outer edge of the continental shelf and the ocean basin
- 5. deep, V-shaped valleys found along the continental slope
- 8. underwater, cone-shaped volcanic mountains
- 9. long, narrow cracks in the ocean floor; the deepest parts of the ocean
Down
- 1. large, flat regions on the ocean floor
- 2. a relatively flat part of the continent that is covered by seawater; lies between the coast and the continental slope
- 3. detailed charting of the features of an area; heights, depths, and shapes of the surface of an area
- 4. a mountain chain that rises from the ocean basins; where seafloor spreading takes place
- 6. the ocean floor at a depth of more than 4000 meters
- 7. underwater volcanic mountains with flat tops