When you tell people you know why the wind blows, it won't be a bunch of hot air. In the video from PBS Digital Studios, viewers learn how wind is a consequence of differences in air pressure. Along the way, the video covers the Coriolis...

Introduce the idea of wind power. Have your class make a simple weather vane with a plastic straw, tape, a pencil, and other items found in your class. This film could be used to explore wind power and alternative energy sources.

Watch this amazing dust storm video clip from Broken Hill, NSW, Australia in December of 2007. [1:40]

So what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The hydrosphere and the geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind...