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Science Midterm Review 4


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the horizontal movement of air from an area of high pressure to an area of low pressure
makes conditions on earth suitable for living things
the process by which water molecules in liquid water escape into the air as water vapor.
not visible but can be felt as heat, and has longer wavelengths than red light.
Electromagnetic Waves
form of energy that can move through the vacuum of space
Global Convection Currents
Global convection currents are one of the many forms of convection here on Earth; they are a form of small to high speed winds. These winds can be anything from a few knots to winds in the 80-100 knot range. Natural convection currents cause these winds. These convection currents are caused by a difference in pressure and heat in the tropical and Antarctic/Arctic areas on the ea
(smoke + fog) caused by the burning of fossil fuels.
is the direct transfer of energy by electromagnetic waves
Sources of Pollution
some air pollution occurs naturally, but many types of air pollution are the result of human activities.
transfer of thermal energy by the movement of a fluid.
force pushing on an area or surface
any form of water that falls from clouds and reaches earth's surface
Global Winds
winds that blow steadily from specific directions over long distances
process by which molecules of water vapor in the air become liquid water.
Coriolis Effect
the way earths rotations makes winds curve
amount of mass in a given volume
Relative humidity
percentage of water vapor that is actually in the air compared to the maximum amount of water vapor that air can hold.
London Type
Soot like fog, it is when coal smoke mixes with humid air.
Aurora Borealis
"Northern Lights" is caused by particles from the sun that enters the ionosphere near the poles that strike atoms in the ionosphere to make them glow.
Sea Breeze
local wind that that blows from an ocean or lake.
brown haze type smog is formed by the action of sunlight on pollutants such as hydrocarbons or nitrogen oxides.
Acid Rain
a more acidic type of rain is formed when nitrogen oxides and sulfur oxides combine.
Land Breeze
the flow of air from land to a body of water
Local Winds
are winds that blow over short distances.
direct transfer of thermal energy from one substance to another that is touching
Trade Winds
blow from the horse latitudes toward the equator
Wind Chill Factor
measure of cooling combining temperature and wind speed
Human Activities
farming, construction,burning fossil fuels, such as coal, oil, gasoline, and diesel fuel. Examples of the types of pollutants that burn holes in the ozone are: carbon monoxide, nitrogen oxide, and sulfur oxides.
direction of light in all directions
invisible form of energy with wavelengths that are shorter than violet light.
Horse latitudes
are calm areas of falling air
Natural Activities
Forest fires, soil erosion, dust storms, and volcano ashes along with poisonous gases.
Composition of atmosphere
78% Atmosphere Other 1% 21% Oxygen
Visible Light
includes all of the colors that you see in a rainbow. The human eye can see ones with shorter wavelengths.

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