5th Grade-Ch. 7 Lesson 2 Where is fresh water

Ch. 7 Lesson 2Ch. 7 Lesson 2Where is Where is

fresh water fresh water found?found?

Activity-Water, Water Everywhere

• http://www.srh.weather.gov/srh/jetstream/atmos/ll_water.htm

• Demonstrates amounts of fresh water, salt water, frozen water, etc. on Earth

Water SourceWater volume(cubic miles)

Percent oftotal water

Oceans 317,000,000 97.24%Glaciers & icecaps 7,000,000 2.14%

Groundwater 2,000,000 0.61%Fresh-water lakes 30,000 0.009%

Inland seas 25,000 0.008%Soil moisture 16,000 0.005%Atmosphere 3,100 0.001%

Rivers 300 0.0001%Total water

volume326,000,000 100%

fresh water• drinking water• less dissolved

salts than salt water

• starts as rain or snow

groundwater• rain or melted

snow that soaks into ground

• fills spaces between particles of rock & salt

YouTube Groundwater Song

aquifer• layer of rock & soil that

groundwater occupies

water table• Top level of groundwater in aquifer

• Gets lower when people pump out water faster than it is replaced

rivers• eventually flow ocean

watershed• area from

which water drains into a river

lakes• form when

water collects in a low spot

Video Clip-Lakes

reservoir• artificial lake that forms

behind a dam

• 7/10 of Earth’s fresh water • much of Greenland & Antarctica covered w/ huge ice sheets

ice

iceberg

• forms when large pieces of ice breaks off a glacier or ice sheet

Activity-Edible Aquifer