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

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.

In this activity about light and perception, learners discover how a flash of light can create a lingering image called an "afterimage" on the retina of the eye.

In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.