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Earth’s Environmental Systems
Chapter 3 – Environmental Science
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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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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….
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Section 1 – What properties of matter are most important to environmental systems?
Mass – Volume - Atoms – Element -
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Section 1 – What properties of matter are most important to environmental systems?
Parts of the atom Nucleus – Protons – Atomic Number – Neutrons – Electron Cloud Electrons
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Section 1 – What properties of matter are most important to environmental systems?
Bonding Covalent bonds – Ionic bonds
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Section 1 – What properties of matter are most important to environmental systems?
Molecules and Compounds Molecules - Compounds – Organic molecules – Inorganic molecules – Hydrocarbons –
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Section 1 – What properties of matter are most important to environmental systems?
Solutions
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Section 1 – What properties of matter are most important to environmental systems?
Macromolecules Proteins Hormones Enzymes Nucleic Acids Carbohydrates Lipids
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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
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Section 1 – What properties of matter are most important to environmental systems?
Acids, bases, and pH Acid Base pH
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Section 2- What types of systems play roles in environmental science?
Inputs Outputs Earth’s systems
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Section 2- What types of systems play roles in environmental science?
Feedback loops Negative feedback loops Positive feedback loops
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Section 2- What types of systems play roles in environmental science?
Earth’s “spheres” Geosphere Lithosphere Biosphere Atmosphere Hydrosphere
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Section 3 – What are the characteristics of the Earth’s spheres?
The Geosphere 3 parts Crust Mantle Core Plate tectonics
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Section 3 – What are the characteristics of the Earth’s spheres?
Plate Boundaries Divergent plate boundaries Transform plate boundaries Convergent plate boundaries
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Section 3 – What are the characteristics of the Earth’s spheres?
Biosphere Atmosphere Layers Troposphere Stratosphere Mesosphere Thermosphere
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Section 3 – What are the characteristics of the Earth’s spheres?
Hydrosphere Earth’s water The water cycle Evaporation Transpiration Precipitation Condensation
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Section 3 – What are the characteristics of the Earth’s spheres?
Hydrosphere Groundwater Aquifers
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Section 3 – What are the characteristics of the Earth’s spheres?
Nutrient cycling Law of Conservation of Matter Nutrients Biogeochemical cycles
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Section 3 – What are the characteristics of the Earth’s spheres?
The Carbon Cycle
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Section 3 – What are the characteristics of the Earth’s spheres?
The Phosphorus Cycle
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Section 3 – What are the characteristics of the Earth’s spheres?
The Nitrogen Cycle
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