Ap environmental science chapters 1 and 2
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Created by:
superdeath360 on January 30, 2012
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28 terms
Terms | Definitions |
|---|---|
 acid | contributes H+ ions |
| base | contributes OH- ions |
| proteins | long chains of nitrogen |
| carbohydrates | compounds of carbon, hydrogen, and oxygen atoms |
| organic compounds | carbon-carbon or carbon-hydrogen bonds |
| inorganic compounds | no carbon or no carbon-hydrogen bonds |
| energy efficiency | work done/work introduced |
| first law thermodynamics | energy is neither created nor destroyed |
| second law thermodynamics | when energy is transformed, it's ability to do work diminishes (quantity is obviously the same) |
| matter | anything that occupies space and has mass |
| mass | amt of matter an object contains |
| atom | (physics and chemistry) the smallest component of an element having the chemical properties of the element |
| atomic number | number of protons |
| mass number | number of protons and neutrons |
| isotopes | different number of neutrons |
| radioactive decay | release of material from the nucleus |
| covalent bonds | sharing electrons |
| ionic bonds | transferring electrons |
| hydrogen bonds | hydrogen atoms attracted to other molecules |
| capillary action | adhesion of water molecules to a surface is stronger than cohesion between the molecules |
| environment | everything that influences life |
| environmental science | interactions b/w humans and nature |
| system | components exchange energy and materials |
| ecosystem | biotic and abiotic components |
| calorie | 4.184 J |
| Calorie | 1000 calories |
| Btu | 1055 J |
| kwh | 3,600,00 J |
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