The Cool Cosmos web site is not just for kids

The folks at the Infrared Processing and Analysis Center & the SIRTF Science Center have created a network of websites that explain Infrared Astronomy, its timeline, as well as the many benefits and uses of Infrared in the different aspects of our lives. They have created award-winning web activities where students perform a version of the experiment in which the famous astronomer Sir Frederick William Herschel discovered infrared light. You'll also web tutorials about multi-wavelength astronomy and a multi-wavelength gallery that shows celestial objects observed in different wavelengths and which also explains the benefits of each wavelength.

One of their newest additions is the Ritter experiment. This simple classroom activity leads the students to perform a version of the experiment in which Johann Wilhelm Ritter first discovered the ultraviolet light.

This is a very rich portal and worth spending some time exploring.

The address is:
http://coolcosmos.ipac.caltech.edu/