Students explore ways in which people are constantly exposed to naturally occurring and man-made sources of radiation. They create and play a board game featuring different hypothetical scenarios of radiation exposure.

High schoolers explore the nature of electromagnetic spectrum through a series of experiments. In this physics lesson, students determine how light behaves under certain circumstances. They explain how humans perceive colors.

Second graders make spinning color wheels to determine how energy effects what colors look like. They paint or color a color wheel with the seven colors of the spectrum. Next, the spin the wheel to determine what happens. In order to...