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In this optics activity, learners conduct an experiment to explore peripheral vision. Learners collect data about their ability to see shapes, colors, or letters using their peripheral vision.

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

In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

In this activity, learners will explore how their own eyes work by experimenting with their photoreceptors.

In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.

In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

In this quick activity/demonstration (5th on the page), learners explore depth perception.

In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.