Air Masses
A cold Air Mass is called this
Polar
Stormy weather occurs at this type
Cold
Water in a form of gas
Water vapor
The second layer of the atmosphere
Stratosphere
A huge body of air that has similar temperature, humidity and air pressure
Air Mass
An air mass over land is called this
Continental
Cold and warm air masses meet, but neither one can move
Stationary
When water changes from a liquid to a gas
Evaporation
The fourth layer of the atmosphere
Thermosphere
Meteors start to burn up here
Mesophere
Area where 2 air masses meet
Front
Air moves from an area of ____________ to _______________ pressure
High to low
When Gas changes to a liquid
Condensation
What happens to air pressure as you increase in altitude
Decreases
20 % of this gas is in Atmosphere
Oxygen
A cold, dry air mass is cold this
Continental Polar
What happens to warm air when it meets cold air
It Rises
Power the water cycle
Thermal Energy- The Sun
Most adbundant gas in the atmosphere
Nitrogen
This protects us from UV Radiation
Ozone Layer
An extremely low pressure system that forms over the ocean
Hurricane
What symbol is a cold front
Blue with triangles
What forms when water vapor condenses
Clouds
Airplanes Fly here
Troposphere or stratosphere
This occurs when cold air blows over warmer water
Lake effect snow