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In this optics activity, learners build a spy tool to secretly view things over walls or around corners.

This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan

In this hands-on activity, learners build their own kaleidoscopes and explore how light can reflect of off surfaces such as mirrors, to produce beautiful patterns.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.