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

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

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

In this activity (3rd on the page), learners conduct a series of tests to find out which of their eyes is more dominant.

In this activity, learners make a Benham Top to explore visual illusions and optics.

In this quick and simple activity about reflexes (at the top of the webpage), learners conduct a simple test to explore pupillary response.