Weather and Climate Review

What is the atmosphere?

• oxygen
• a mixture of gases
• carbon dioxide
• water vapor

Why does hot air rise?

• It is heavier. 
• It is less dense. 
• It is more dense. 
• It is unstable. 

Air pressure is measured with a 

• barometer
• thermometer
• anemometer
• psychrometer

The __________________ is the layer of the atmosphere where weather occurs. 

• exosphere
• thermosphere
• mesosphere
• troposphere

Winds always blow from ___________ to ____________ pressure. 

• north to south
• east to west
• high to low
• low to high 

A ____________________ is used to measure temperature. 

• barometer
• anemometer
• psychrometer
• thermometer

Humidity is measured with a 

• thermometer
• barometer
• psychrometer
• anemometer

In the water cycle, moisture enters the atmosphere as a result of

• evaporation
• condensation
• precipitation
• the Coriolis effect

Moisture in the atmosphere is called

• density
• evaporation
• humidity
• air pressure

The type of front that forms when a mass of cold air moves under a mass of warm air, and can bring very strong storms is a 

• cold front
• warm front
• occluded front
• stationary front