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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.

If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.

In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

In this quick activity, Dracula has a hole in his house and learners help solve the problem by using a mirror and protractor to reflect incoming light out of his house.

Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!

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

In this activity, learners explore how mirrors reflect light and change the way we see things.

In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.

In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.