Seafloor Features
Name:________________________________
Name the seafloor feature described:
1. A wide water way connecting two larger bodies of water, inlet of the ocean or sea.
2. An alluvial deposit at the mouth of a river.
Sound
Delta
3. A shallow body of relatively quiet water almost completely cut off from the open ocean by coral reefs, barrier
islands, or barrier beaches.
Lagoon
4. A ring shaped coral reef surrounding a lagoon and resting on a submerged volcano.
Atoll
5. A group of islands formed by the same geological process such as a hot spot. (1 word)
Archipelago
6. A broad, sloping deposit of sediment at the mouth of a river or at the foot of a submarine canyon. Alluvial Fan
7. A large point or extension of the land jutting into a body of water.
8. Where fresh water mixes with seawater.
Estuary
9. A long narrow passage connecting two larger bodies of water.
10. An inlet of the sea.
Cape
Straight
Bay
11. A seamount with a flat top.
Guyot
12. A deep canyon cut into the continental shelf and slope, often at the mouth of a river.
13. A deeper part of a river or harbor that is navigable.
Submarine Canyon
Channel
14. A narrow strip of land connecting two larger landmasses.
Isthmus
15. Shallow seafloor extending out from the edge of the continent. Continental Shelf
16. A deep cut in the ocean floor usually close to the continental shelf or where the seafloor meets. Ocean Trench
17. Flat region of the deep ocean. Abyssal Plain
18. Area between the continental slope and the deep sea floor.
Continental rise
19. A depression in the crust that hold the earth’s oceans.
Ocean Basin
20. An area too shallow to navigate.
Shoal
21. The sloping front of the continental shelf. End of the continent.
22. A landmass smaller than a continent surrounded by water.
23. A continuous mountain chain on the seafloor.
24. A strip of land bordering the sea.
25. An undersea hill or mountain.
Continental Slope
Island
Ocean Ridge
Coast
Sea Mount
26. A very steep or overhanging land feature.
Cliff
27. The narrow, tip-end of a cape, headland, peninsula, or other land feature jutting into a body of water. Point
28. A navigable shallow area of the ocean caused either by elevation of the seafloor or by submergence of a
landmass.
Bank
29. A cape jutting into the ocean usually high above water and prominent when viewed from the sea. Headland
30. A shallow rock or coral formation, often exposed at low tide.
Reef
31. A piece of land almost completely surrounded by water usually connected to a larger land body by a narrow
strip of land. Peninsula