Search Results

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

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

In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.

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

In this activity, learners control the (apparent) size of a hole with their brain.

This activity (aka "snack") provides instructions for discovering your blind spot. It is an exploration of light and visual perception using simple materials you may have around the house.

In this optics activity, learners make a lens and explore how the eye manipulates the light that enters it.

Closing one eye eliminates one of the clues that your brain uses to judge depth. Trying to perform a simple task with one eye closed demonstrates how much you rely on your depth perception.

This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?

In this activity about light and perception, learners discover how a flash of light can create a lingering image called an "afterimage" on the retina of the eye.

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

If you had a long tube with a 5 millimeter wide slit, would you see the entire Golden Gate Bridge?

Create an illusion where it appears that your hand has a hole in it. You'll see the results from when one eye gets conflicting information.

This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly.

In this activity about light and perception, learners create pictures in thin air.

Are there boxes, is this an illusion, or is this real life Q-bert? Illusions are always fun to build especially when you can build them.

Up close, an array of dots could look random, but take a step back, and an image forms. By tracing over an image, learners can create their own dot based image.