There is a scallop that relies on sight so much that it actually has more than 100 eyes! There are many species that rely heavily on one sense or another. An online interactive resource has youth read about several of these animals. The...

A few short, interactive activities on light waves can be found on this site. Numerous others links and teacher resources are posted here as well. A good background on light is offered for teachers.

This interactive activity adapted from the University of Utah's ASPIRE Lab provides an overview of the characteristics and properties of various types of waves, including light waves, sound waves, and water waves.

Cool science site tests your knowledge of light by exploring the question: "How do you measure a light wavelength?" Allows users to test themselves as well as provides additional activities on wavelength and amplitude.

Resource focuses on the relationship between the frequency, wavelength and speed of light. Has a link to an interactive activity relating frequency, wavelength, and energy.

Website companion to PBS show, "Rough Science," in which five scientists use their collective expertise to complete a series of tasks. Follow the scientists as they do things like generate electricity, make soap, make antibacterial...