Other
Allstar Network: Wing Design
The principles of aircraft wing design are presented. Illustrated with diagrams and pictures.
NASA
Nasa: Gas Properties Definitions
Use this site to learn about basic gas properties including motion, viscosity, and compressibility. Includes links to activities for all ages.
Other
The University of Leeds: Laminar and Turbulent Flow
Laminar and turbulent flow are compared and contrasted at this site. The Reynolds number is derived. These concepts are illustrated with diagrams.
University of Colorado
University of Colorado: Basic Wind Structure
Brief explanations of basic wind structures and terms like: geostropic winds, boundary layer, shear stress, modes of snow transport, and more.