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DSST Env.Sci. Chp. 7
vocab. for DSST Env.Sci. from Environmental Science by Karen Arms
Question | Answer |
---|---|
atmosphere | the thin layer of gases that surrounds the Earth |
CFCs (chlorofluorocarbons) | human-made chemical compounds that are restricted in use because they destroy ozone |
climate | the average weather in an area over a long period of time |
exosphere | outermost portion of the Earth’s atmosphere |
global warming | predicted increase in Earth’s temperature due to an increase in greenhouse gases in the atmosphere |
greenhouse effect | warming effect on the air caused by heat rising from the surface of the Earth and being trapped by gases in the troposphere |
greenhouse gases | the gases in the atmosphere that trap and radiate heat |
latitude | distance measured in degrees north and south of the equator, which is 0° latitude |
mesosphere | atmospheric zone above the stratosphere |
ozone | form of oxygen with molecules made of three oxygen atoms |
stratosphere | one of the five layers of the atmosphere, lying immediately above the troposphere and extending from 10 km to about 50 km above the Earth's surface |
thermosphere | atmospheric zone above the mesosphere |
troposphere | one of the five layers of the atmosphere, extending from the Earths surface to about 10 km above the surface |
ultraviolet (UV) light | harmful light from the sun |
weather | conditions in the atmosphere at a particular place and particular moment |