Water

Water vocab Ocean

a large body of salt water that surrounds a continent. Oceans cover more the two-thirds of the Earth's surface

Sea a large body of salty water that is often connected to an ocean. A sea may be partly

or completely surrounded by land. Gulf

a part of the ocean (or sea) that is partly surrounded by land (it is usually larger than a bay).

Bay a body of water that is partly enclosed by land (and is usually smaller than a gulf).

Channel a narrow body of water that connects two larger bodies of water (like the English

Channel). A channel is also a part of a river or harbor that is deep enough to let ships sail through.

Cove small, horseshoe-shaped body of water along the coast; the water is surrounded by

land formed of soft rock.

Lagoona shallow body of water that is located alongside a coast and

separated from the ocean by a strip of land or a sandbank.Lake

a large body of water surrounded by land on all sides. Really huge lakes are often called seas.

Reservoira man-made lake that stores water for future use.

Ponda small body of water surrounded by land. A pond is smaller

than a lake.Swamp

a type of freshwater wetland that has spongy, muddy land and a lot of water. Many trees and shrubs grow in swamps.

Straita narrow body of water that connects two larger bodies of

water.Canal

a man-made waterway used for transportation or irrigation.River

a large, flowing body of water that usually empties into a sea or ocean.

WaterfallWhen a river falls off steeply

Estuarywhere a river meets the sea or ocean.

Tributarya stream or river that flows into a larger river.

Water pollutionany contamination of water with chemicals or

other foreign substances that are detrimental to human, plant, or animal health.

What sort of things cause pollution?FactoriesSewageFarm runoffNatural PhenomenonLittering

What has caused a growth in water pollution and a loss of water?UrbanizationOverflowing garbage dumpsGlobal warmingUnwise use of resources

Case study – Big Sioux RiverTributaries: Rock River in northeast Sioux

County, IATributary to the Missouri RiverThe waterfall in Sioux Falls is what gave the

city its name.Pollution: mostly runoff from farms and

manure from animals being raised. Also some pollution has come from erosion of soil on the banks of the river.The major pollutants that have been identified

are phosphorus and sedimentWhy do we care?

What can we do to help?