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Chapter 1

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  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 EarthPast 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. 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. 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. WhiteboardDraw 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 pg8-10

  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 #1-6