1. Chapter 1
Earth As a System

2. Past Perceptions Meet New Issues pg 4-5
Past Perceptions (paragraph 1):
***don’t write about CFCs
New View (paragraph 3):

3. A New View of Earth Past Perceptions Meet New Issues
Past Perceptions: scientists studied Earth as a collection of parts
New View: Earth is more than a collection of parts---various parts are connected (Earth as a whole)

4. The Rise of Earth System Science pg 5
What is a model?
What does it do?

5. The Rise of Earth System Science
What is a model? A representation of an object, a process, or a phenomenon
What does it do? It may show physical features or show how something works

6. Examples of Models Model house---lacking water, electricity, smaller
Globe/map---smaller, not always to scale
Carbon cycle *

7. Fill out the Venn Diagram:
What Is a System? Pg 5/6
What is a system?
Fill out the Venn Diagram:
What is entering and leaving?
ENERGY—sunlight, heat
MATTER---anything physical, made of atoms
OPEN SYSTEM
CLOSED SYSTEM

8. What Is a System?
What is a system? A kind of model, part of the universe that can be studied separately
CLOSED SYSTEM
OPEN SYSTEM
Matter CANNOT
Enter or Leave
Energy
Can enter
Or leave
Matter CAN
Enter or Leave

9. Overall, Earth is a ___system because______.
A Planetary System pg 6/7
Overall, Earth is a ___system because______.
A consequence of Earth being a _______system is that________

10. Pair Share: Decide if the following are open or closed systems
Is energy entering and/or leaving?
Is matter entering and/or leaving?

11. Pair Share: Decide if the following are open or closed systems
Is energy entering and/or leaving?
Is matter entering and/or leaving?

12. Pair Share: Decide if the following are open or closed systems
Is energy entering and/or leaving?
Is matter entering and/or leaving?

13. Pair Share: Decide if the following are open or closed systems
Is energy entering and/or leaving?
Is matter entering and/or leaving?

14. Whiteboard Draw a model---decide if it is open or closed
You can draw an object, a process, a phenomenon (situation)
THINK:
Is energy entering/leaving?
Is matter entering/leaving?
Individually decide:
1. Open or Closed?
2. Why?

15. Earth as a Closed System
Explain the significance of Earth as an essentially closed system.
HINT: natural resources, waste…

16. Earth System’s Four Spheres pg 8-10
Atmosphere
Geosphere
Hydrosphere
Biosphere

17. Interactions among the Spheres pg 10
Read
Pick one example: draw scenario and label the 4 spheres.

18. How interactions Change the spheres pg 11
What factors have caused spheres to change? List the factor(s) of which sphere and the sphere that changed.
FACTOR/part of which sphere? SPHERE THAT CHANGED
Cold temp/atmosphere biosphere (plants died)

19. Classzone.com---Sphere Interactions

20. ES0103
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