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ch.15

Study Guide

QuestionAnswer
List the examples of local winds. land and sea breeze
What are the auroras and where are they found? shimmering lights and they are found in the ionosphere
Our ozone layer absorbs which type of harmful radiation from the sun? it absorbs ultra vioelt lights
How much oxygen carbon dioxide is found in our air? 21 percent oxygen and less than 1 percent carbon
Which global blows away from the poles to the west? the polar easterlies
What are the 2 most abundant gases found in the air? nitrogen and oxygen
Describe air pressure. the amount of air that is pushing down on you
What happens to air pressure as altitude increases? as altitude increases air pressure decreases
Describe jet strems. narrow belts of high speed winds
What is the green house effect? the process which gases in the atmosphere absorbs energy and does not let it out
Explain the 3 ways that heat is transfered. conduction moved through touch convection moved through movement radiation heat through feeling
Where do trade winds flow towards? they flow towards the equator
What does the Coriolis effect make the wind do? It makes the wind start to curve
Describe the Doldrums. where trade winds meet it is very dull
What is the ozone layer where is it found? it protects us from bad gases and it is found in the stratosphere
Describe the thermosphere. upper most layer the temperature is due to solar radiation
What is the most common atmospheric gas? Nitrogen
What parts of the Earth cools off faster and heats up faster.What does this unequal heating create? land cools in the night and warms in the day which creates winds
What is smog? the combination of smoke fog and sunlight
Describe the movement of convection currents. when it gets hot it rises and when it cools off it sinks
Which instrument measures air pressure? a barometer
What is significant about the troposphere? it is where weather accurs
What kind of ways have humans created air pollution? we burn fossil fuels
What is another name for the distance above sea level? altitude or elevation
What are Global Winds? a combination of convection cells located at every 30 degree latitude
What does the name of a wind tell you? which way it has come from
How much of the sun's energy actually reaches the Earth? 2/1,000,000,000
What property are the layers of atmosphere based on? the temperature
Which clam area is located around 30 degrees north and south latitude? the horse latitudes
What is the atmosphere? the layers of gases that surrounds the earth and protects us from uv rays and space objects
List the 3 global winds and the 2 calm areas global westerlies and polar easterlies and trade winds calm horse latitudes and doldrums
What is global warming the increase in average temperature
If air mass increases what happens to density? if air mass increases then the density does too
What type of winds blow over short distances? local winds
How are all winds created? unequal heating of earth's surface
Created by: joshuaaba
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