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In this activity, learners explore what happens when polarized white light passes through a sugar solution.

This is a great activity about wave interference. Learners will create their own wave machine and discover wave properties through hands-on investigation.

In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.

In this activity about light and perception, learners create and observe moire patterns.

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

In this optics activity, learners explore why the sky is blue and the sunset is red, using a simple setup comprising a transparent plastic box, water, and powdered milk.