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

In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

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

In this activity, learners examine how colored lenses act like filters and absorb all colors of light except for the color of the lenses.

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

In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.

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

In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.