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In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source.

In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.

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

Create your own spinning top, and explore color, shapes and spinning. This activity contains instructions for making your spinning top, and tips on how to design and decorate it.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.