Atmosphere & Air Temperature
Water Vapor & Humidity
Clouds & Precipitation
Air Pressure & Wind
Air Masses, Fronts, & 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

air that moves horizontally

What is wind?

100

the average weather pattern of a region

What is climate?

200

the force put on a given area by the weight of the air above it

What is air pressure?

200

The type of weather that occurs when clouds form near the ground

What is foggy weather?

200

any form of water particles that falls from the atmosphere and reaches the ground

What is the precipitation?

200

a wind that blows from the sea toward the land

What is a sea breeze?

200

a boundary between air masses with different temperatures

What is a front?

300

the air that surrounds the earth

What is atmosphere?

300

the water that is in the air

What is water vapor?

300

a type of cloud that forms in blanketlike layers

What are stratus clouds?

300

a wind that blows from land toward the water

What is land breeze?

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

the changing of a liquid into a gas

What is evaporation?

400

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

What are cumulus clouds?

400

the differences in air pressures cause this

What is wind?

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

the amount of water vapor in the air

What is 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

In winter, when air pressure has been decreasing for several days, describe the type of weather that will most likely occur

What are cloudy skies and heavy snowstorms?

500

when warm air moves in over a cold air mass

What is a warm front?