Atmosphere
Vocabulary
Weather Events
Air Pressure and Weather
100
What layer of the atmosphere do we live in?
Troposphere
100
Define the term precipitation.
Rain, snow, sleet or hail
100
What causes tornadoes to form?
Cold and hot air meeting in flat areas (mostly the middle of the U.S.)
100
What is it called when water turns from a gas to a liquid?
Condensation
200
What layer of the atmosphere is the top layer?
Thermosphere
200
Define the term wind.
The movement of air caused by air pressure or temperature differences.
200
What causes a hurricane to develop?
Warm water evaporating near the equator.
200
What type of cloud is made mostly of ice crystals?
Cirrus cloud
300
Name all the layers of the atmosphere, from lowest to highest.
Troposphere, Stratosphere, Mesosphere, and Thermosphere
300
Define the term Coriolis Effect.
The curving of the path of wind or water because of the rotation of Earth.
300
What is the dew point?
The temperature where water begins to condense from gas to liquid.
300
Which of the following cloud has a flat lower edge and clear edges? A. Cirrus B. Altostratus C. Cumulus
C. Cumulus
400
What gas makes up most of the atmosphere?
Nitrogen
400
Define the term Front.
When two or more air masses meet.
400
What kind of weather front is it when cold air pushes warm air up, causing it to rain or snow?
A cold front.
400
Which type of cloud is evident as Tornadoes form? A. Stratus B. Cirrus C. Cumulonimbus
C. Cumulonimbus
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