1. The Earth System

2. The Earth System
The Earth is a system consisting of 4 major interacting components:
Geosphere(lithosphere)
Hydrosphere
Atmosphere
Biosphere

3. Earth System Cont.’d
Physical, chemical, and biological processes act among the 4 components over time to continuously change Earth’s crust, oceans, atmosphere, and living things.

4. Geosphere (lithosphere)
The geosphere represents the solid Earth.
Consists of the crust, mantle, lithosphere, and core

5. The Hydrosphere
Consists of the ice and liquid waters of oceans, lakes, streams, groundwater, and glaciers.
Driven by the hydrologic cycle (water cycle)

6. The Water Cycle

7. The Atmosphere
Consists of a thin layer of air surrounding Earth that acts as a blanket

8. The Biosphere
The portion of Earth in which all known life forms exist.
Life ranges from tiny bacteria to elephants
Includes the land and sea

9. The Earth System: Review
Consists of 4 components:
These interact with each other and affect Earth’s surface and it’s organisms throughout time.