Natural Sources of Water What is a “natural” source of water? Where on Earth do I find this water?

Natural Sources of Natural Sources of WaterWater

What is a “natural” source of water?

Where on Earth do I find this water?

Oceans

• Ocean water is salty.

• Major oceans: Atlantic, Arctic, Indian, Pacific

• In the spring of 2000 a new ocean was recognized:

the Southern Ocean

Earth’s Oceans

Southern

PacificAtlantic

Indian

Arctic

Streams(Rivers)

• A stream is a natural body of water, usually freshwater, flowing toward an ocean, a lake, or another stream.

• Usually larger streams are called rivers, while smaller streams are called creeks or brooks.

Rivers

http://library.thinkquest.org/28022/world/index.world.html

Rivers of Texas

Which river do you live near?

Lakes

• A lake is an inland body of water that is not part of the ocean.

• Small lakes may be called a pond.• Most lakes on Earth are freshwater.• More than 60% of the Earth’s lakes

are in Canada.

Lakes

Crater Lake: Oregon Great Salt Lake:Utah

Lake Michigan: Michigan, Wisconsin, Illinois, Indiana

Caddo Lake: TexasLake Tahoe: Nevada, California

Ponds• A pond is a small lake.• Ponds are sometimes defined as: man-

made or natural bodies of water.

Glaciers

• A glacier is a huge piece of ice that is slowly flowing over land. It is formed from compacted snow.

Mt. Cook: New Zealand

Mt. Hood: Oregon

What natural sources of What natural sources of water do you have in your water do you have in your

area?area?