Website
NASA

Nasa: Beginner's Guide to Aerodynamics

For Students 9th - 10th
Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.
Website
University of Maryland

University of Marylad: Computer Tutorials in Physics: Air Resistance

For Students 9th - 10th
This site has a discussion of a college physics project in which the motion of an object under the influence of air resistance was modeled and studied. Procedure and modeling software are described and the results and the findings are...
Website
NASA

Nasa: Beginner's Guide to Aerodynamics

For Students 9th - 10th
This site from NASA uses a colorful graphic to illustrate why objects reach terminal velocity. Provides equation for the terminal velocity of an object. Graphic is accompanied by a simple explanation.