Last edited: 5/13/11

Barometric Pressure



Katelyn Holbrook, G. Ray Bodley High School
Cody R., Volney Elementary
Kevin T., Volney Elementary
Zachary P., Volney Elementary
Canyon R., Volney Elementary
Nathen S., Volney Elementary

Scientific Description:


Barometric Pressure also known as atmospheric pressure is the same as Air Pressure. The pressure exerted by the atmoshpere at a given point.

Air Pressure is the weight of the air pushing on Earth. It can change from place to place which causes air to move or circulate, flowing from areas of high pressure toward areas of low pressure. It's the same as atmospheric pressure.

Air Pressure chances with the weather. In fact, its one of the most important factors in forecasting approaching weather and helps determine what the weather will be like.


Example:

Even though we do not always feel pressure changes, our bodies are able to detect fast changes. For example, when flying in a plane and increasing height quickly, our ears may "pop". This is due to low atmospheric pressure.






Atmospheric_Pressure_3.jpg
A Barometer (shown above) measures air pressure.




Atmospheric_Pressure_2.jpg
Isobars drawn on a weather map to show high and low air pressure areas



atmospheric_pressure_image.jpg
As we climb higher, there is less force pushing down upon us, which is why atmospheric pressure always DECREASES with height!


hot-air-balloon-atmosphere.jpg
As you move through levels of the atmosphere, the air has less air mass above it. Therefore pressure decreases.


Wordle: Barometric Pressure
Wordle: wordle


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