Instructional module focusing on waves and wave motion. Discussion includes wave theories, wave basics, and wave speed. The site also includes an interactive practice quiz and links relating to the topic.

Through illustrated examples, video clips, and practice problems, students explore what happens to waves at the boundary of different mediums.

With sample data, equations, and practice problems, students explore the concept of wave speed.

This illustrated physics tutorial explains the electromagnetic and visible spectra of light using illustrated examples and interactive practice problems.

Through illustrated practice problems and video clips, students learn about polarization of light.

Through illustrated example problems, and some interactive practice, students learn about color addition and color perception.