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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

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.

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