Australian Government - Bureau of Meteorology: Instructions for students how to measure wind speed with minimal equipment and surprising accuracy.
Blow, Wind, Blow: Demonstration of the Coriolis effect to show why wind blows the way it does.
BWEA: What causes the wind?: Explains how the density and pressure changes of air causes wind.
FAQ Air Chemistry and Physics: Answers question about the air, gases, the wind, and pressure.
Forces and Winds: Online Meteorology Guide: Describes in detail what causes wind, the different kinds of wind, and the friction the Earth causes.
Nationalgeographic.com: Why Does the Wind Blow: Simple introduction to the wind.
Weather Whiz Kids: Wind: Explain the jet stream, global wind patterns, plus land and sea breezes.
What Is Wind?: Explains what wind is, and gives the fastest wind speed ever recorded.
Where Does the Wind Come From?: Explains how differences in air pressure can cause the wind.
Wind: Tells you what is wind, where it comes from, and how we describe the winds.