Atmosphere and Air Temperature
Water Vapor and Humidity
Clouds and Percipitation
Air Pressure and Wind
Air Masses, Fronts and Climates
100
what the lower atmosphere (or troposphere) is like at any given place and time
What is weather
100
the changing of a gas into a liquid
What is condensation
100
a cloud at ground level
What is fog
100

the uneven heating of the Earth

What is wind

100
the average weather pattern of a region
What is climate
200

21% of air composition

What is oxygen

200

the changing of a liquid into a gas

What is evaporation

200
any form of water particles that falls from the atmosphere and reaches the ground
What is precipitation
200

this insrument measures wind direction

What is a wind vane

200
a boundry between air masses with different temperatures
What is a front
300

the layers of air that surrounds the Earth

What is atmosphere

300

water vapor in the air

What is humidity

300

a type of cloud that produce thunderstorms

What are cumulonimbus clouds

300

this insrument measures wind speed

What is an anemometer

300
a large region of the atmosphere where the air has similar properties throughout
What is air mass
400
this instrument measures air pressure
What is barometer
400

hydrometer (define)

What is the instrument that measures humidity

400
these clouds are puffy and appear to rise up from a flat bottom
What are cumulus clouds
400

it 14.7 lbs/in2 at sea level

What is atmospheric pressure

400
when cold air moves in under a warm air mass
What is a cold front
500
the layer closest to Earth's surface
What is troposphere
500

a comparison between how much water vapor is in the air and how much the air could hold-at a given temperature

What is relative humidity

500
this type of cloud forms at a very high altitude out of ice crystals and have a wispy, featherlike shape
What are cirrus clouds
500

the atmospheric pressure in Denver

What is 12 lbs/in2

500

when a warm air masses gets caught between two cold air masses

What is a occuluded front

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