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Chapter one

science

TermDefinition
Atmosphere the envelope of gases surrounding the earth or another planet:
Stratosphere the layer of the earth's atmosphere above the troposphere
Troposphere the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 mile
Thermosphere the region of the atmosphere above the mesosphere
Air pressure Atmospheric pressure is the force exerted on a surface by the weight of air above that surface in the atmosphere of Earth
radiation the emission of energy as electromagnetic waves or as moving subatomic particles
thermal conduction Heat conduction (or thermal conduction) is the transfer of internal energy by the heat of the sun,
convection the movement caused within a fluid by the tendency of hotter and less dense material to rise, and colder, denser material to sink under the influence of gravity, which y results in transfer of heat.
Global warminghttp://sstk.biz/images/smredx.png a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect
Greenhouse effect The trapping of the suns warmth
Wind the natural movement of the air. in the form of a current of air blowing from a particular direction
Coriolis effect an effect whereby a mass moving in a rotating system experiences a force acting perpendicular to the direction of motion and to the axis of rotation
Westerlies in a westward position or direction:
Trade winds a wind blowing steadily toward the equator from the northeast in the northern hemisphere or the southeast in the southern hemisphere
Polar easterlies are the dry, cold winds from the high-pressure areas of the polar highs at the north and south poles towards low-pressure areas within the Westerlies at high latitudes
Jet stream a narrow, variable band of very strong, predominantly westerly air currents encircling the globe several miles above the earth
Air pollution Air pollution is the introduction of harmful materials into the Earth's atmosphere
Acid precipitation is a rain or any other form of precipitation that is unusually acidic
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