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Earths Systems PAGE 5 OF INB
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EQ What are the Earth’s major systems and how do they interact?
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Earth - Using satellites we know the Earth is spherical. ◦Like a Ball ◦Somewhat flattened on top and bulges in the middle. ◦Approximately 13000 km in diameter.
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Earth Systems Earth is composed of 5 major systems. ◦Hydrosphere ◦Atmosphere ◦Geosphere ◦Biosphere ◦Cryosphere
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Hydrosphere Made up of all the liquid water found on the Earth’s surface. Most is found as salt water in the oceans Freshwater is found in rivers, lakes, and underground
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Atmosphere: Layer of gases surrounding the Earth About 100 Km thick Composed of Nitrogen, Oxygen, and Carbon Dioxide
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Geosphere The Earth’s entire solid body. Contains a thin layer of soil and sediment covering a rocky center.
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Biosphere All living things on Earth. Is a part of every other sphere on Earth
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Cryosphere Frozen water on Earth part of the hydrosphere.
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LSA page 4 Draw a picture with color that contains the hydrosphere, Atmosphere, Geosphere, and Biosphere. Label the different parts and write 3 sentence's of how the different spheres might interact.
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