Air Pressure
Pressure Systems
Fronts
100
This is what air is made of.
What is molecules?
100

What is air

air is air

100

What happens when air masses meet?

They form a boundary called a front, where each air mass pushes against each other.

200
Air presses in this direction.
What is all directions?
200

What is a low-pressure system?

A region in the atmosphere in which the air pressure is lower than in the surrounding areas.

200
This front brings hours of steady rain followed by warmer weather.
What is a warm front?
300
This happens to air pressure as you move upwards in the atmosphere.
What is decreases?
300
This is the amount of water vapor in the air.
What is humidity?
300
The boundary between two different air masses.
What is a front?
400
This is what happens to air pressure when air is cooled.
What is increases?
400

What are high-pressure systems?

A region where the atmospheric pressure is higher than the surrounding environment

400
All fronts bring this.
What is a change in the weather?
500
This tool is used to measure air pressure.
What is a barometer?
500

How does air move in pressure systems?

Low pressure has air moving inward and rising often causing clouds/rain,

high pressure has air sinking and spreading outward usually causing clear, calm weather.

500

What types of weather are associated when air masses meet?

Cold fronts often lead to thunderstorms and heavy rain, while warm fronts cause widespread clouds and light, steady rain.