5th grade ch. 7 lesson 2 where is fresh water

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5th grade ch. 7 lesson 2 where is fresh water

  1. 1. Ch. 7 Lesson 2 Where is fresh water found?
  2. 2. 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
  3. 3. Water Source Water volume (cubic miles) Percent of total 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 volume 326,000,000 100%
  4. 4. fresh water drinking water less dissolved salts than salt water starts as rain or snow
  5. 5. groundwater rain or melted snow that soaks into ground fills spaces between particles of rock & salt YouTube Groundwater Song
  6. 6. aquifer layer of rock & soil that groundwater occupies
  7. 7. water table Top level of groundwater in aquifer Gets lower when people pump out water faster than it is replaced
  8. 8. rivers eventually flow  ocean
  9. 9. watershed area from which water drains into a river
  10. 10. lakes form when water collects in a low spot
  11. 11. Video Clip-Lakes
  12. 12. reservoir artificial lake that forms behind a dam
  13. 13. 7/10 of Earth’s fresh water much of Greenland & Antarctica covered w/ huge ice sheets ice
  14. 14. iceberg forms when large pieces of ice breaks off a glacier or ice sheet
  15. 15. Activity-Edible Aquifer

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