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en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth In most circumstances atmospheric pressure is ...

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

Air pressure can be increased (or decreased) one of two ways. First, simply adding molecules to any particular container will increase the pressure. A larger  ...

www.kids-fun-science.com/what-is-air-pressure.html

Measuring air pressure on island of Hawaii. ... Meteorologists use barometers to measure the pressure of the air when making weather forecasts and studying ...

www.britannica.com/science/atmospheric-pressure

Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified ...

scied.ucar.edu/webweather/weather-ingredients/pressure

Air molecules constantly bounce off each other and everything else around them. The force exerted by these air molecules is called air pressure. Where air ...

ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/prs/def.rxml

Atmospheric pressure is defined as the force per unit area exerted against a surface by the weight of the air above that surface. In the diagram below, the ...

extension.illinois.edu/treehouse/airpressure.cfm?Slide=1

We don't think about it, but we are actually living at the bottom of a large pool of air. This large pool of air is called the atmosphere. It is made up of mostly ...

www.nationalgeographic.org/encyclopedia/atmospheric-pressure

May 14, 2011 ... The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure.

www.ask.com/youtube?q=Air+Pressure&v=jmQ8FWnM0fA
Jun 1, 2011 ... Why the air in the upper-atmosphere stay so cold yet is expanded like hot air still ? I didn't see this go over in the video.. Read more. Show less.