Search Results

In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.

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

In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.

In this activity, learners conduct a simple test to find their blind spot.

In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.

In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.

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

In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.

In this activity about light and reflection, learners discover that what you see is often affected by what you expect to see.

In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

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

Which one of your eyes are dominant? Do they act independently or are they equally "in control?" This activity explores how your eyes work (or don't work) together.

In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side.

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

In this activity, learners investigate procedural memory.

This activity is designed to let learners measure their reaction time or response time to something they see.

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

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

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