Atmosphere
Layers of the atmosphere
Moving air
Fronts and winds
Moisture in the air
100

a thin blanket of gas surrounding the earth

What is the atmosphere?

100

Weather occurs here

What is the troposphere?

100

moving air

What is wind?

100

cool air pushes itself under a warm air mass

What is a cold front?

100

solid or liquid water that falls from the sky

What is precipitation?


200

a mixture of nitrogen, oxygen, carbon dioxide, and other gases

What is air?

200

contains the ozone layer

What is the stratosphere?

200

a large body of air that has the same temperature and moisture

What is an air mass?

200

A warm air mass moves over a slower cool air mass

What is a warm front?

200

rain freezes as it falls from the sky

What is sleet?

300

the weight of air

What is air pressure?

300

meteors burn up in this layer

What is the mesophere?

300

boundary between two air masses

What is a front?

300

Air masses push against each other

What is a stationary air mass?

300

clouds that are flat and the lowest in the sky

What are stratus clouds?

400

The condition of the atmosphere at any moment

What is weather?

400

contains weather and communication sattelites

What is the thermosphere?

400

blow from the east toward the equator

What are prevailing easterlies or trade winds?

400

during the day the air over land is warm and sea air blows inland

What is a sea breeze?

400

large fluffy looking clouds with flat bottoms

What are cumulus clouds?


500
the measurement of the distance above sea level

What is altitude?

500

gradually fades into space

What is the exosphere?

500

blow from the east and move away from each pole

What are polar easterlies?

500

measures the wind speed

What is an anemometer?

500

thin, curly clouds high in the sky

What are cirrus clouds?

500
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