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Earth

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Earth s Water Lesson 1 How is water distributed on the Earth? 97 % of the world s Water supply is ocean (salt water). 2 % of the world s water supply is frozen ... – PowerPoint PPT presentation

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Title: Earth


1
Earths WaterLesson 1
2
How is water distributed on the Earth?
  • 97 of the worlds Water supply is ocean (salt
    water).
  • 2 of the worlds water supply is frozen in
    icecaps and glaciers.

3
How is water distributed on the Earth?
  • 0.5 of the worlds water supply is
    non-consumable water on land.
  • 0.5 of the worlds water supply is freshwater
    available for consumption.

4
Worlds Oceans
  • Can you name the five world oceans?

5
Worlds Oceans
  • Atlantic
  • Pacific
  • Indian
  • Arctic
  • Southern

6
(No Transcript)
7
Pacific Ocean
  • The largest ocean. It is larger than all the
    land put together.
  • It contains 48 of the worlds seawater.
  • The deepest ocean because the Mariana Trench is
    located in it. (over 36,000 feet deep)

8
Atlantic Ocean
  • The second largest ocean.
  • It contains 23 of the worlds seawater.
  • Most traveled ocean routes.

9
Indian Ocean
  • The warmest ocean.
  • It contains 40 of the worlds oil production.

10
Arctic Ocean
  • The smallest ocean.
  • It is covered by drifting ice.

11
Southern Ocean
  • The newest ocean.
  • Recognized in 2000.
  • It contains icebergs and deep continental
    shelves.

12
Worlds Freshwater
  • Groundwater water that collects between bits
    of rock and soil.
  • What factors affect the groundwater?
  • (Globe pp. 210)

13
How does groundwater reach the Earths surface?
  • Water may reach the surface through wells,
    springs, or geysers.
  • What is the main difference between a spring
    and a geyser?
  • (Globe p. 212)

14
What is the difference between a river and a lake
or pond?
  • Rivers or streams are running water.
  • Lakes or ponds are still water.
  • 90 of the continental surface water is found
    in lakes.
  • Are lakes fresh or salt water?
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