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Earth’s Environmental Systems

Earth’s Environmental Systems . Chapter 3 – Environmental Science. Central Case. After reading the Central Case, who do you think is responsible for the Gulf of Mexico’s dead zone? What do you think is the best way to go about solving the problem?.

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Earth’s Environmental Systems

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  1. Earth’s Environmental Systems Chapter 3 – Environmental Science

  2. Central Case • After reading the Central Case, who do you think is responsible for the Gulf of Mexico’s dead zone? • What do you think is the best way to go about solving the problem?

  3. Section 1 – What properties of matter are most important to environmental systems? • Chemistry is CENTRAL in understanding what environmental problems are occurring and in how to correct them. • We begin this chapter with an introduction to basic chemistry….

  4. Section 1 – What properties of matter are most important to environmental systems? • Matter – • Mass – • Volume - • Atoms – • Element -

  5. Section 1 – What properties of matter are most important to environmental systems? • Parts of the atom • Nucleus – • Protons – • Atomic Number – • Neutrons – • Electron Cloud • Electrons

  6. Section 1 – What properties of matter are most important to environmental systems? • Bonding • Covalent bonds – • Ionic bonds

  7. Section 1 – What properties of matter are most important to environmental systems? • Molecules and Compounds • Molecules - • Compounds – • Organic molecules – • Inorganic molecules – • Hydrocarbons –

  8. Section 1 – What properties of matter are most important to environmental systems? • Solutions

  9. Section 1 – What properties of matter are most important to environmental systems? • Macromolecules • Proteins • Hormones • Enzymes • Nucleic Acids • Carbohydrates • Lipids

  10. Section 1 – What properties of matter are most important to environmental systems? • Water • Properties of water • Cohesion • Adhesion • Resistance to temperature change • Ice density • Universal solvent

  11. Section 1 – What properties of matter are most important to environmental systems? • Acids, bases, and pH • Acid • Base • pH

  12. Section 2- What types of systems play roles in environmental science? • System • Inputs • Outputs • Earth’s systems • Inputs • Outputs

  13. Section 2- What types of systems play roles in environmental science? • Feedback loops • Negative feedback loops • Positive feedback loops

  14. Section 2- What types of systems play roles in environmental science? • Earth’s “spheres” • Geosphere • Lithosphere • Biosphere • Atmosphere • Hydrosphere

  15. Section 3 – What are the characteristics of the Earth’s spheres? • The Geosphere • 3 parts • Crust • Mantle • Core • Plate tectonics

  16. Section 3 – What are the characteristics of the Earth’s spheres? • Plate Boundaries • Divergent plate boundaries • Transform plate boundaries • Convergent plate boundaries

  17. Section 3 – What are the characteristics of the Earth’s spheres? • Biosphere • Atmosphere • Layers • Troposphere • Stratosphere • Mesosphere • Thermosphere

  18. Section 3 – What are the characteristics of the Earth’s spheres? • Hydrosphere • Earth’s water • The water cycle • Evaporation • Transpiration • Precipitation • Condensation

  19. Section 3 – What are the characteristics of the Earth’s spheres? • Hydrosphere • Groundwater • Aquifers

  20. Section 3 – What are the characteristics of the Earth’s spheres? • Nutrient cycling • Law of Conservation of Matter • Nutrients • Biogeochemical cycles

  21. Section 3 – What are the characteristics of the Earth’s spheres? • The Carbon Cycle

  22. Section 3 – What are the characteristics of the Earth’s spheres? • The Phosphorus Cycle

  23. Section 3 – What are the characteristics of the Earth’s spheres? • The Nitrogen Cycle

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