Atmosphere, Hydrosphere, Lithosphere, and Biosphere. 5/21/2015.

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Presentation transcript:

Atmosphere, Hydrosphere, Lithosphere, and Biosphere. 5/21/2015

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.

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

Lithosphere Hydrosphere Atmosphere Biosphere OCEANOGRAPHY GEOLOGYMETEOROLOGY ASTRONOMY

Ocean, Continents, and Atmosphere Formation All formed because of one major source: All formed because of one major source:

Inner Core – 1200 km made of solid Fe, Ni. Inner Core – 1200 km made of solid Fe, Ni. Outer Core – 2250 km made of liquid Fe, Ni. Outer Core – 2250 km made of liquid Fe, Ni. Mantle – 2900 km made of dense rocks. Mantle – 2900 km made of dense rocks. Crust – 5 – 40 km made of solid lighter rocks. Crust – 5 – 40 km made of solid lighter rocks. Lithosphere (Crust and MOHO) – 100km thick. MOHO = Mohorovicic Discontinuity