Earths Environmental Systems Chapter 3 Environmental Science Central

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?

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….

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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