enviornmentalsciencenotes

enviornmentalsciencenotes - Class Notes 27/08/2007 09:12:00...

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Unformatted text preview: Class Notes 27/08/2007 09:12:00 Why is environmental science important Sustainability Human pop issues Challenges and complexity hot environmental issues Endocrine disrupters Commercial fisheries Declining bird populations Ozone depletion Global warming Theory is proven through experimentation over and over Law is stronger as no valid counter argument has been proposed in some time Science cannot shed light on all issues No proof Matter and Atomic Structure Chemical structure and bio function Elements > molecules > compound Structure of an atom Radioactive isotopes Electron arrangement Chemical element cant be broken down by physical or chemical means o Naturally occurring o Human-made Chemical formula what number of each type of atom is present in a molecule (H2O) Structural formula see through some type of model which atoms are bonded to which (HOH) Atom o Electron First for electron orbitals o Proton o Neutron Isotopes dif number of neutrons from normal element o Stable o Unstable radioactive Chapters 1 and 4 notes 27/08/2007 09:12:00 Website for environmental science Webct41.gmu.edu Book notes Vocab Environment includes all biotic and abiotic factors with which we interact Biotic factors- living or once living factors in the environment Abiotic factors- nonliving things Environmental science- study of how the natural world works Natural Resources- various substances and energy sources we use to survive Renewable Natural Resources- resources that are virtually unlimited and are replenished over a short period of time Nonrenewable natural resources- resources that are formed much more slowly and have a much more finite supply Agricultural revolution- time where humans farmed Industrial revolution- huge expansion of industry coupled with huge...
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enviornmentalsciencenotes - Class Notes 27/08/2007 09:12:00...

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