PBS
Pbs Teachers: Weather: Temperature Measurement
In this activity, students learn how to convert measures of temperature between the three different scales - Fahrenheit, Celsius and Kelvin. The history and uses of each are very briefly explained as well.
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.