Atmosphere, Hydrosphere, Lithosphere, and Biosphere'

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Atmosphere, Hydrosphere, Lithosphere, and
Biosphere.

• 11/9/2009

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Earth System (4 physical systems)

• Atmosphere
• Layer of gases that surround Earth. Allows you to
  breathe and protects earth.
• Lithosphere (crust and MOHO)
• Surface of the planet that forms the continents
  and the ocean floor.

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Earth System (4 physical systems)

• Hydrosphere
• All the water on Earth (ocean, ice, and water
  vapor in the atmosphere)
• Biosphere
• Part of Earth where life exists.

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GEOLOGY
METEOROLOGY
Biosphere
OCEANOGRAPHY
ASTRONOMY
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Ocean, Continents, and Atmosphere Formation

• All formed because of one major source

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• Inner Core 1200 km made of solid Fe, Ni.
• Outer Core 2250 km made of liquid Fe, Ni.
• Mantle 2900 km made of dense rocks.
• Crust 5 40 km made of solid lighter rocks.

Lithosphere (Crust and MOHO) 100km thick. MOHO
Mohorovicic Discontinuity