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en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the ... Atmospheric pressure is caused by the gravitational attraction of the planet on the atmospheric gases above the surface, and is a function of the ...

www.eo.ucar.edu/basics/wx_2.html

Air pressure is caused by the weight of the air molecules above. Even tiny air molecules have some weight, and the huge numbers of air molecules that make up ...

climate.ncsu.edu/edu/k12/.pressure

Aug 13, 2013 ... Molecules in the air produce pressure through both their weight and ... High pressure in the atmosphere causes the air to compress and sink, ...

itstillworks.com/causes-barometric-pressure-23467.html

Along with the air temperature and wind speed, the atmospheric pressure is a key measurement used by meteorologists for forecasting the weather. Because ...

www.actforlibraries.org/causes-of-atmospheric-pressure-changes

What is defined as air pressure is the result of molecules of air weighing down on objects in our environment. As each molecule strikes an object, it exerts a ...

www.srh.noaa.gov/jetstream/atmos/pressure.html

Air pressure can be increased (or decreased) one of two ways. First ... This change in pressure is caused by changes in air density, and air density is related to ...

www.wxdude.com/singalongcompanion/windandairpressure/index.html

The wind blows because of differences in air pressure from one location to ... In the northern hemisphere, the spin of the earth causes winds to curve to the right ...

nova.stanford.edu/projects/mod-x/id-pres.html

Nov 17, 1999 ... Key idea: Atmospheric pressure is caused by the weight of the atmosphere pushing down on itself and on the surface below it. Pressure is ...

littleshop.physics.colostate.edu/tenthings/WhatCausesPressure.pdf

causes pressure? Overview. In our everyday lives, we are exposed to many references to pressure: atmospheric conditions such as high pressure or low ...