AIR

Do we really need to define this? Well, OK. It's the stuff you breathe composed of (exclusive of water vapor):

Nitrogen - 78.084%

Oxygen - 20.946%

Argon - 0.934%

Carbon dioxide - 0.033%

Neon - 18.18 ppm (parts per million)

Helium - 5.24 ppm

Methane - 2 ppm

Krypton - 1.14 ppm

Hydrogen - 0.5 ppm

Nitric oxide - 0.5 ppm

Xenon - 0.087 ppm

On the average, air molecules are moving about 1000 mi/hr!



Lunar Lander
Momentum Machine
Sailboats
Stop the Drop
Strobe Fountain

Gases
Kinetic Theory Of Gases

We'll be adding interesting info and links here. If you have a good one, we need your feedback