What is Air Pressure?
- Air pressure is the force applied by air above you.
- Differences in atmospheric causes air to move.
- Air moves from high pressure areas to low
pressure areas.-- this causes wind.
- Differential heating of the Earth's surface causes
changes in air pressure. --changing the weather.
- Air pressure decreases the higher you go in
elevation.
- At sea level, atmospheric pressure is 14.7
.