Layers of the Atmosphere
Water Cycle
Air Masses
Fronts/Pressure Systems
Severe Weather
100

As altitude increases, air pressure

decreases


100

Name 4 types of precipitation

rain, sleet, snow, rain

100

Name the four main types of air masses

maritime tropical

maritime polar

continental tropical

continental polar

100

All fronts bring

clouds and possible precipitation

100
Which type of storm always forms over large bodies of water?

hurricanes

200

As you travel up a tall mountain, the air pressure will....

decrease

200

Which two phases of the water cycle are responsible for REMOVING water from the surface 

evaporation and transpiration 

200

All maritime air masses are 

________________ and

__________________

by the water and humid

200

A front is when 2 air masses meet but.............

They do not mix! This brings cloudy weather regardless what the front is.

200

What are two severe storms that can cause flooding?

hurricane, thunderstorm, winter storm

300

Warm air rises above cold air because it is

less dense

300

The amount of water vapor in the air is called

humidity

300

All continental air masses are _________________

and ____________________

on the land and dry

300

True or false: During a front, the weather is cloudy. When the front passes, the weather conditions always remain the same.

False!! When the fronts pass, the weather changes.

300

Heats and droughts are dangerous because...

people can become dehydrated, skin damage is possible, plants and grass can die, people can get sick
400

Particles spread out when they are 

less dense

400

Condensation occurs in the 

clouds

400

All tropical air masses are ___________________

warm

400

A cyclone is ____________pressure system and brings what kind of weather

a low pressure system, it brings cloudy and stormy weather.

400

Lake effect snow happens when

the lake water is warmer than the air. The precipitation in that area increases.

500

Name the layers of the atmosphere starting with the layer CLOSEST to earth's surface

troposphere, stratosphere, mesosphere, and thermosphere 

500

Transpiration is

when water on trees and plants is absorbed from the sun and back into the atmosphere

500

All polar air masses are _______________-

cold

500

An anticyclone is  ___________pressure system and brings what kind of weather?

high pressure system, it brings clear skies.
500

Isobars on maps connect areas with equal 

air pressure
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