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Atmosphere info

TermDefinition
Atmosphere A mixture of gases that surrounds a planet, moon or ohter celestial body.
Air pressure The measure of force with whickh particles in the air push on an area of surface.
troposphere The lowest layer in the atmosphere and has an average thickness of 10 to 12km.
stratosphere The layer above the troposphere. The top has an average of 50km. Holds the ozone layer.
mesosphere The atmosphere layer above the stratosphere. It does not contain an ozone layer.
ionosphere Ther region of the earth's atmosphere betwwen the stratosphere and the exosphere.
exosphere The highest region of the earth's atmosphere.
thermosphere Ther upper most layer of the atmosphere. Aroun 80km above earth's surface.
ozone layer A relativaly large amount of ozone in the stratosphere.
greenhouse effect The process by which gases in the atmosphere, such as Co2 and water vapor, absorb and give off infared radiation.
temperature The measurement of the average Kinetic Energy in an object.
thermal energy The total Kinetic Energy in an object.
thermal expansion The increase of volume that results from an increase in temperature.
heat The energy that is transferred between objects that are at different temperatures.
radiation Ther transfer of energy through electromagnetic waves.
convection The transfer of enerrgy due to the movemnt of matter.
conduction The transfer of energy through a material.
wind movement in air caused by differences in air pressure.
Coriolis Effect The curving of the path of a moving object from an otherwise straight path dure to earth's rotation.
Jet Stream A narrow band of strong winds that blow in the upper troposphere.
local wind The movement of air over short distances.
sea breeze Wind that travels along a body of water.
land breeze Wind that travels from land to water.
mountain breeze Mountain or valley areas that experience local winds.
valley breeze Locsl winds that happen in valleys.
global wind Presure belts at every 30 degrees Latutude and the Corolis effect produced patterns of calm areas and wind systems.
Trade Winds Blow between 30 degrees Latutude and the equator in both hemispheres.
Westerlies Blow between 30 and 60 degrees Latitude in both hemispheres.
Polar Easterlies Blow between 60 degrees Latitude and in the poles in both hemispheres.
Doldrums The calm area in the equator where trade winds hemispheres meet.
Horse Latitude At about 30 degrees Latitude in both hemispheres, air stops and sinks.
weather The condition of earth's atmosphere at a certain time and place.
humidity The amount of water vapor in the air.
relative humidity The amount of water vapor in the air compared the the amount of water vaper needed.
dew point The temperature when condensation occurs more than evaporation.
precipitation Any for of water that falls from the clouds to the earth's surface.
cirrus Cirrus clouds appear feathery or wispu. They are made of ice ctystals and form strong winds.
cumulus Cumulus clouds are formed in fair weather. If they keep growing taller, they will produce thunderstoms.
stratus Stratus clouds form in flat layers. Low, dark stratus clouds can block out the sun and produce steady drizzle.
air pressure [density] The force of all molecules pushing on an area.
high pressure system High pressure systems are areas when air sinks and moves outward.
low pressure system Low pressure systems are when air comes together, or converges and rises.
air mass A large volume in which temperature and moisture content are nearly trhe same throughout.
front A boundary that forms between a warm air mass, and a cool air mass.
warm front They form when a warm air mass follows a retreating cold air mass.
cold front A cold front is formed when a cold air mass pushes up a warm air mass.
stationary front This is when there is not enough wind to push a cold o warm air mass.
occluded front A composite fromd formed when a cold front and warm front are mixed together.
evaporation Occurs when liquid water changes into water vapor.
condensation The change of state from a gas to a liquid.
runoff Something that drains or flows off, as rain that flows off from land in streams.
Created by: 307053
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