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In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

In this activity about light and perception, learners create pictures in thin air.

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

In this activity, learners make optical fibers out of strips of gelatin.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.