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12 Cards in this Set

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  • Back
the condition of Earth's atmosphere at a particular time and place
weather
the layer of gases that surrounds Earth
atmosphere
a form of oxygen that has 3 oxygen atoms in each molecule instead of the usual two
ozone
the pressure caused by the weight of a column of air pushing down on an area
air pressure
an instrument used to measure changes in air pressure
barometer
elevation above sea level
alititude
the theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature
global warming
anything in the environment that is used by people
natural resources
a resource that is either always available or is naturally replaced in a relatively short time
renewable resource
a natural resource that is not replaced in a useful time frame
nonrenewable resource
chlorine compounds that are the main cause of ozone depletion; found in old air conditioners and aerosol spray cans; also called CFCs
chlorofluorocarbons
process by which heat is trapped in the atmosphere by water vapor, carbon dioxide, methane, and other gases that form a "blanket" around Earth
greenhouse effect