Nineteen word problems dealing with frequency, speed, reflection, and refraction of light are provided here. Empower your physics masters to manipulate equations for computing angles, focal lengths, image heights, and more! This is a...

This lesson engages students in learning about light. Studets will describe how light is produced, reflected, refracted, and separated.

What colors do you see in a bubble? Why do you see colors in a bubble? Use this site to find out the answer to these questions with this easy experiment.

Children can look around corners with this homemade periscope. Great instructions at this Exploratorium site on how to build a periscope.