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The Four Spheres

The Four Spheres. Geosphere. This term refers to the EARTH. It is made up of four separate spheres: lithosphere atmosphere hydrosphere biosphere. Lithosphere. Solid part of the Earth Includes: soil, rocks, mountains, continents, crust, mantle, and core 4.6 billion years old

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The Four Spheres

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  1. The Four Spheres

  2. Geosphere • This term refers to the EARTH. It is made up of four separate spheres: • lithosphere • atmosphere • hydrosphere • biosphere

  3. Lithosphere • Solid part of the Earth • Includes: soil, rocks, mountains, continents, crust, mantle, and core • 4.6 billion years old • Energy flow allows for the lithosphere to constantly changing and develop

  4. Atmosphere Made up of gases that encircle the planet • Nitrogen • Oxygen • Carbon dioxide Formed from gases given off by volcanoes Constantly changing and evolving

  5. Hydrosphere • Made up of all of the Earth’s water elements. • Includes: • Oceans • Seas • Lakes • Glaciers • Rivers • Streams • groundwater

  6. Biosphere • Consists of all of the planet’s living elements: • Plants • Animals • People Most recent of the spheres to develop

  7. LIFE and the spheres Life began in the lithosphere (water), but later moved to the lithosphere (land) as the atmosphere (air) became better suited to sustaining life.

  8. video http://www.youtube.com/watch?v=ojGYJZntEmI

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