Picture Lagoons http://en.wikipedia.org/wiki/File: Buada_Lagoon.jpg Tidal Flats http://www.cbbep.org/projects/ molliebeattie/whatisatidalflat.ht m Reefs http://en.wikipedia.org/wiki/File: PamalicanAfterLiftOff.jpg Continental Shelf http://www.teara.govt.nz/files/di 5601gns.jpg Description A body of shallow salt or blackish water. Usually formed by a build-up of sandbanks or reefs along shallow waters. sediment Sand, rocks, salt marshes , mud, Sand or mud areas that typically don’t have that much plant life. Sand, salt marshes, mud A rock or sandbar under the surface of water. Sand, rocks An extension of a continent under the sea. A continental shelf can stretch for many miles out to sea. Icebergs, boulders, sand, silt Continental Slope&Rise http://en.wikipedia.org/wiki/Con tinental_shelf Abyssal Plain http://image.absoluteastronomy. com/images/encyclopediaimages /o/oc/oceanic_basin.svg.png The continental shelf breaks and under the break is the continental slope. And below the slope is the continental rise. Sand, silt, clay Sloping areas of the deep ocean basin floor. These are flat sediment covered areas. Sand, shells, rocks