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Atmospheric pressure is a force in an area pushed against a surface by the weight of air in Earth's atmosphere. The earth is covered in a layer of air. However ...

Jun 1, 2011 ... Air Pressure explained. ... Atmospheric pressure crushes 220 litre drum ( Experiment) - Duration: 2:40. Darron Gedge's Geography Channel ...


Understanding air pressure. The weight of the air pressing down on the Earth, the ocean and on the air below causes air pressure. Earth's gravity, of course, ...


Aug 29, 2013 ... Atmospheric pressure is the force exerted against a surface by the weight of the air above the surface.


An explanation of the principle of Atmospheric pressure, the factors affecting it and the way of measuring it.


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.


Jul 7, 2015 ... Atmospheric pressure — or barometric pressure — is simply the weight of the air at ground level. It's a little easier to understand when you think ...


To understand pressure, consider a sponge. When left alone, a sponge stretches out to its full size. As you squeeze down on the sponge, what happens?


The key to understanding pressure in the atmosphere is to understand how gases work. You can read about gases and how pressure can increase and ...


is not enough to give a full understanding of its importance. ... You can see that understanding 'what is atmospheric pressure' is just the tip of the iceberg.