Weather Variables
Pressure Systems
Air Masses
100

The measure of the average kinetic energy of molecules in the air

What is air temperature?



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100

Weather is often associated with...

What are pressure systems?



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100

Large bodies of air that have uniform temperature, humidity, and pressure

What are air masses?



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200

The amount of water vapor in the air 

What is humidity?



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200

The weight of the molecules in a large mass of air

What is air pressure?



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200

These types of air masses form over oceans

What are maritime air masses?



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300

The force that a column of air applies on the air or a surface below 

What is air pressure?



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300

A large body of circulating air with high pressure at its center and lower pressure outside

What is a high-pressure system?



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300

These air masses form very near the equator

What are tropical air masses?



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400

Air moves from areas of high pressure to areas of low pressure to make

What is wind?



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400

A large body of circulating air with low pressure at its center and higher pressure outside

What is a low-pressure system?



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400

This classification of air mass forms over the Northern Atlantic

What are maritime polar air masses?


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500

The temperature at which air is saturated, and condensation can occur 

What is the dew point?



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500

Condensed air from low-pressure systems

What are clouds?



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