Beginner's Guide to Aeronautics

NASA Glenn Research Center "The Beginner's Guide to Aeronautics" - It's like rocket scientist training starting at the beginning
http://www.grc.nasa.gov/WWW/K-12/airplane/index.html

This is an internet based course - everything about aerodynamics from paper planes to rockets. This is a separate version for kids. There are a number of interactive simulators: FoilSim (multiple versions to design and test aircraft wings), AtmosModeler, SoundWave

There is a comprehensive index at:
http://www.grc.nasa.gov/WWW/K-12/airplane/short.html