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Atmospheric Pressure

The fundamental SI unit of pressure is the Pascal (Pa), but it is a small unit so kPa is the most common direct pressure unit for atmospheric pressure.

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Hits: 9374

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Air pressure

physics.org page with fascinating facts all about atmospheric pressure. Did you know that you have one tonne of air pressing down on you?

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Hits: 5146

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How air pressure affects you

This page from NASA tells you all you need to know about atmospheric pressure. Find out why your ears pop or have a go at flying a hot air balloon.

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Hits: 6605

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Atmospheric Pressure and altitude

From the companion website to several recent NOVA programs on Mt. Everest. This page looks at the effects of air pressure at high altitudes.

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Hits: 6216

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Atmospheric pressure video

A short, funny film explaining the basics of air pressure and its influence on weather. Nominated for the SciCast competition.

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Hits: 4774

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Bill Nye The Science Guy: Classic demonstration featuring fire and atmospheric pressure.

Bill Nye demonstrates what happens when a water balloon is placed on the mouth of a bottle after a flame is dropped inside. A good experiment about air pressure.

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Hits: 5817

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Boiling Point

The boiling point is defined as the temperature at which the saturated vapor pressure of a liquid is equal to the surrounding atmospheric pressure.

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Hits: 7105

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Crushing Coke Can

A nice demonstration using a simple Coke can of atmospheric pressure.

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Hits: 6449

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Lighting and Atmospheric Electricity

This site focuses on the causes and effects of lightning as well as analyzing a wide variety of atmospheric measurements related to thunderstorms.

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Hits: 3640

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Crushing Steel Drum

A nice demonstration using a simple steel drum of atmospheric pressure.

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Hits: 7060

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