Visionaries create images out of dots to demonstrate the eye-brain connection. Through this activity, they learn that the brain interprets data collected by the eye into recognizable information. Search online for "Jacques Cousteau in...

Fuzzy edges cause an image to fade from view in an activity intended to demonstrate how vision works. 

Put a new twist on your collection of optical illusion activities. Affix the linked printable spiral to a drill, record player, or some other rotating tool. Have learners stare at the spinning disk for only 15 seconds and then look away....

Who would not want an opportunity to taste jellybeans in class?  During this investigation, life science learners hold their noses as they take a taste test and find that our perception of flavor is connected with our sense of...

Op art is fun to look at, and it's fun to make. Kids learn about the origins of op art and the op art master, M.C. Escher. They view simple to complex examples of op art to see how it works and then create an optical piece of their own....

Seeing is believing! Or is it? With this simple experiment, young scientists can explore the concept of visual perception. Attach Benham's disk to a rotating appliance such as a hand drill; As it spins, the black lines appear to be...

Learners draw an optical illusion. In this optical illusion lesson, students create the optical illusion vase. Learners draw a profile and repeat the drawing in reverse creating the vase image.

Learners create an optical illusion. In this optical illusions lesson, students sketch a monster's face to create the optical illusion of a vase in the positive space. Learners create an original piece of art.

Young scholars are challenged to create optical illusions using using cut-outs. The activity provokes thoughtful discussion about scale.

A large collection of visual illusions and anomalous motion illusions. The latter can potentially make a person feel dizzy and should be viewed or shared with caution.

Provides an explanation of exactly what optical illusions are, and gives a few basic examples to illustrate the text.