1. ES Ch. 1.1 Intro to Earth’s Structure
BIG QUESTIONS
What are the main parts of the Earths System?
How do Constructive and Destructive Forces change Earth?

2. What is a system?
Definition: a group of parts that work together as a whole
Examples of Systems:

3. Energy Definition: the ability to do work
Two Main sources of Energy that drives the Earth’s System

4. Parts of the Earth’s Systems
Four Main Parts:
Atmosphere
Geosphere
Hydrosphere
Biosphere

5. Atmosphere Thin layer of gas that surrounds the earth
Consists mostly of Nitrogen and Oxygen
Contain dust, water vapor and all precipitation

6. Geosphere Earth’s mass
Consists of solid rocks, metals and other materials
Three main parts:
Metal core
Solid middle layer
Rocky outer layer

7. Hydrosphere Contains all Earth’s water
Lakes, Rivers, Oceans, Glaciers, water vapor and Ground Water

8. Biosphere Life can not exist without WATER!
Parts that contain living organisms

9. Forces that Change Earth
Constructive
Shape the land’s surface by building up mountains and other landmasses
Destructive
Destroy and wear away landmasses through processes like erosion and weathering.

10. ES Ch. 1.1 Intro to Earth’s Structure
BIG QUESTIONS Try Them Now!!
What are the main parts of the Earths System?
How do Constructive and Destructive Forces change Earth?