1. The Ocean
Floor

2. Bathymetry/Topography
The study of the ocean floor.

3. Label the pic below in your notes:

5. Shoreline
The edge of ocean water on land.

6. Continental Shelf
Gradual sloping land from the shoreline to the continental slope.
Extends out into water about 200 km, average depth of 100m
Largest diversity of marine life found here

7. Continental Slope
Where the edge of the continental land drops off in a steep slope.

9. Abyssal Plain Flat, nearly level area of the ocean floor.

11. Trench A narrow, very deep valley in ocean floor.
Most in Pacific Ocean
Largest is Marine Trench at depth of 11km

12. Trench

22. Ridge An underwater mountain range.
The Mid-Atlantic Ridge has mountain peaks that reach over 3000m from the ocean floor.

23. Ridge

24. Rift
A valley in the middle of a ridge.
Rift

25. Seamount
An extinct volcano.
It may occur alone or grouped together.

26. Guyot
A flat topped seamount.

27. Island
An underwater mountain that extends out of the water.