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In this activity, learners use an old CD to construct a spectroscope, a device that separates light into its component colors.

In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror.

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.