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In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space.

In this simple activity, learners investigate refraction by placing a picture of an arrow behind a glass of water.

In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.

In this activity, learners explore the invisible infrared radiation from an electric heater.

In this activity about light and reflection, learners use a special device called a Mirage Maker™ to create an illusion.