Airmass
Global windsystem
Climate changes
Variable atmospheric gases
Atmospheric layers
100
a large volume of air that has the same characteristics, such as humidity.
What is an airmass?
100
Wind
What is the movement of air??
100
Relative humidity and dew point.
What are 2 ways of expressing the water vapor content of the atmosphere??
100
Atmosphere, the ocean, living organisms, earths rocks.
What is carbon dioxid cycled between??
100
weather occurs in this layer.
What occurs in the troposphere??
200
The area over which the air mass forms.
What is a source region??
200
Unequal heating and cooling of different regions of Earths surface.
Destinty difference are produced by??
200
Maximum amount
Saturation occurs when the amount of water vapor in a volume of air has reached the _______.
200
Water vapor is the invisible, gaseous form of water.
What is the water vapor??
200
Tropopause.
The stratosphere is above what layer??
300
Tropical air masses, Polar air masses, Arctic air masses
What are the three type of air masses??
300
regions of higher density to regions of lower density.
Where in lower atmosphere does air moves from?
300
The amount of water vapor in a volume of are relative to the amount of water vapor need for each saluration.
What is relative humidity??
300
This temperature decrease occurs because very little solar radiation is absorbed in this layer.
Why does the temperature decrease in this layer??
400
They do not, eventually they move, transfering thermal energy from one area to another.
Do air masses stay in one place??
400
Height in the atmosphere
What does wind speed and direction change with??
400
orgraphic lifting, convergence
what are 2 ways clouds can form??
400
Molecules are formed by the addition of an oxygen atom to an oxygen molecule.
How are the molecules of the ozone formed??
400
The extremely low density of air causes the temperature to rise.
Why does the temperature rise??
500
Five
how many types of air masses are there??
500
Friction
Wind is constantly solved by _______ that results from contact with surfaces.
500
occurence of cloud droplets colliding to make larger droplets.
What is eplain coalscence??
500
Oil, coil, and natural gas they are used for heating building, produce electricity, and power motor vehicles.
What are fossil fuels and what are they used for??
500
500km-more than 10,000km
How far does the exosphere extend over the earth??
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