EARTH'S ATMOSPHERE
LAYERS OF THE ATMOSPHERE
AIR Mass
AIR PRESSURE
MISC.
100
the most abundant gas in the atmosphere
nitrogen
100
the layer where weather is found
troposphere
100

What type of air mass will cause a cold front?

polar

100

Which types of winds cause weather in North Carolina?

Prevailing weatelies

100

This tool measures the amount of water vapor in the air.

Hygrometer

200
the gas that makes up about 21% of the atmosphere
oxygen
200
where the ozone layer is found
stratosphere
200

What characteristics are used to classify air masses?

temperature and humidity

200
instrument that measures air pressure
barometer
200
this is the distance above sea level
altitude
300
excess of this gas contributes to global warming
carbon dioxide
300
the "hot layer" of the atmosphere
thermosphere
300

An air mass that is warm and moist.

Maritime tropical

300
this happens to air pressure as altitude increases
decreases
300
this is also known as Northern lights
aurora borealis
400
gas in the atmosphere that varies from place to place
oxygen
400
the layer of electrically charged particles
ionosphere
400

What is a boundary area where air masses meet but do not mix?

Fronts

400
as the density of air increases, the air pressure does this
decreases
400
this is made up of 3 atoms of oxygen
ozone
500
condition of the earth's atmosphere at a particular time and place
weather
500
the thickest layer of the atmosphere
thermosphere
500

Cold fronts often bring

cool temperatures and precipitation

500

What causes GLOBAL winds to move in all directions?

Coriolis effect

500
gaseous form of H2O
water vapor
M
e
n
u