1. OBJ: What are the main components of the Earth System

2. What is a system?
A system is a group of parts that work together as a whole.
Earth is a giant system!

3. Earth System Break down
Atmo- (Greek) vapor
Hydr- (Latin) water
Geo- (Latin) land
Bio- (Latin) living

4. Atmosphere
The atmosphere is the outermost layer and a thin blanket of gases surrounding the Earth.
Think of the Earth’s weather! Rain and snow form in this sphere.

5. Geosphere Immediately think of Volcano!
The Geosphere includes all the hard surfaces of the Earth and there are 3 parts…
Metal Core
Solid Middle Layer
Rocky outer layer

6. Hydrosphere Oceans, glaciers, rivers, lakes
A estimate of about ¾ of the Earth is covered in WATER.
Oceans, glaciers, rivers, lakes
What type of water covers most of the Earth’s surface?

7. Biosphere The biosphere includes all living organisms.
The gift of life makes our planet different from other planets in the solar system.
How does the Biosphere interact with the Hydrosphere?

8. Connecting the Earth’s System
The 4 spheres are closely connected.
The changes in one sphere causes change in others.

9. Wilson Science Website