Science evan
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Created by:
Fanboy7thst on March 15, 2012
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32 terms
Terms | Definitions |
|---|---|
 gases | no definite shape or volume |
| atmosphere | acts like the glass of a greenhouse building; it surrounds the Earth and keeps it warm, sustaining an environment that promotes life |
| concentration | the spatial property of being crowded together |
| carbon dioxide | a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances |
| albedo | the ability of a surface to reflect light |
| radiation | energy that is radiated or transmitted in the form of rays or waves or particles |
| weather | it describes the conditions in the atmosphere over a short period of time, and is usually described in terms of its effects on human activities |
| climate | average weather conditions over at least 30-year time span |
| climatologists | people who study climate |
| ice cores | pieces of ice used to track earths past weather |
| Milankovitch Cycles | explain Earth's three movements; orbit (eccentricity), angle of tilt (obliquity), and wobble on its axis (precession) |
| lithosphere | rocks, minerals, volcanoes, and fossil fuels found here. Most of Earth's carbon is found here |
| hydrosphere | included in this system are any form of water |
| biosphere | included in this system are things that are living, were alive a short time ago, or are derived from living organisms. Includes plants and animals |
| fossil fuels | a nonrenewable energy resource that forms in the Earth's crust for millions of years |
| carbon | n. a naturally abundant nonmetallic element that occurs in many inorganic and in all organic compounds |
| hydrocarbons | organic molecules consisting of only carbon and hydrogen |
| precipitation | the falling to earth of any form of water (rain or snow or hail or sleet or mist) |
| carbon cycle | the organic circulation of carbon from the atmosphere into organisms and back again |
| carbohydrates | compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body |
| greenhouse effect | warming that results when solar radiation is trapped by the atmosphere |
| methane | a colorless odorless gas used as a fuel |
| nitrous oxide | a greenhouse gas emitted from fertilizers and animal wastes and produced from burning fossil fuels |
| greenhouse gases | Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect. |
| infrared radiation | energy with a wavelength longer than the wavelength of light |
| thermal expansion | the expansion of matter when it is heated |
| drought | a shortage of rainfall |
| carbon reservoir | Locations on Earth that store and release carbon slowly |
| adapt | make fit for, or change to suit a new purpose |
| carbon neutral | having a net zero carbon footprint, examples are hydro power, solar, and nuclear energy |
| combustion | the act of burning something |
| emissions | gases released into the air, especially by cars and factories |
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