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

In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.