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Air pressure is the force exerted on an object or area by the weight of surrounding air particles.

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  ...

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 ...

www.britannica.com/science/atmospheric-pressure

Apr 19, 2017 ... Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air ...

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 ...

.ask.com/youtube?q=Air+Pressure&v=jmQ8FWnM0fA
Jun 1, 2011 ... Air Pressure explained. ... Why is high pressure associated with fair, clear skies while low pressure systems are associated wit - Duration: 3:24.
.ask.com/youtube?q=Air+Pressure&v=QeAp3CuGjk8
Oct 26, 2012 ... Another visit from America's favorite science teacher Bill Nye. Today he explores the forces of our atmosphere in three experiments ...

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 ...