NASA
Nasa: Beginner's Guide to Aerodynamics
Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.
Exploratorium
Exploratorium: Global Climate Change: Atmosphere
Use this site to explore real scientific data relating to the atmosphere. With this information you can gather evidence, test theories, and come to conclusions. Click on the data examples to view a full scale version.
University of Wisconsin
Atmospheric and Oceanic Sciences: Surface Weather Analysis
Explains the use of synoptic weather analysis in preparing weather maps and forecasting. Discusses the use of symbols as well.