1. Earths Systems PAGE 5 OF INB

2. EQ What are the Earth’s major systems and how do they interact?

3. 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.

4. Earth Systems Earth is composed of 5 major systems. ◦Hydrosphere ◦Atmosphere ◦Geosphere ◦Biosphere ◦Cryosphere

5. 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

6. Atmosphere: Layer of gases surrounding the Earth About 100 Km thick Composed of Nitrogen, Oxygen, and Carbon Dioxide

7. Geosphere The Earth’s entire solid body. Contains a thin layer of soil and sediment covering a rocky center.

8. Biosphere All living things on Earth. Is a part of every other sphere on Earth

9. Cryosphere Frozen water on Earth part of the hydrosphere.

10. 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.