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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners construct a device that allows them to view 2-D images in 3-D.

In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

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

In this lab (Activity #1 on page), learners explore how we see color.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this story time program, young learners listen to the Dr.