Offered by the Science Learning Network, the Air Travelers Web site is "an introduction to the basic principles of buoyancy, properties of gases, temperature, and the technology involved in hot air ballooning." Four activities are described along with any materials needed, directions, and questions that help students understand the concepts. A bonus activity is also provided that explains how to...

The homepage for CSIRO Atmospheric Research, which is devoted "to conduct world-class research into the atmospheric environment and provide advice and applications for the benefit of Australia." Visitors have access to many reports written by the staff on topics such as Climate Modeling and Applications and Air Quality Modeling and Dispersion. Scientists interested in remote sensing can download...

From the University of Illinois Extension comes the Weather One instructional Web site for kids. The lesson consists of six pages that cover various weather related topics including seasons, clouds, the atmosphere, wind, global warming, and storms. Each page describes the particular subject, provides related photographs, and contains several activities that reinforce the learning. For example, the...