Exploratorium
Squirming Palm
You will need an electric drill and some Velcro™ in order to have this activity available for your class. It is, however, an intriguing display of optical illusion. After watching a spinning disk (provided), viewers look at one of their...
Exploratorium
Depth Spinner
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....
Exploratorium
Jacques Cousteau in Seashells
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...
Curated OER
Benham's Disk
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...
Exploratorium
Far Out Corners
Construct a three-dimensional optical illusion when your class is exploring vision and how the eye and brain work together. Three concave corners are mounted inside of a black box, but as a light is shined upon them, they appear to be...
Exploratorium
Fading Dot
Fuzzy edges cause an image to fade from view in an activity intended to demonstrate how vision works.
Exploratorium
Bird in the Cage
When your life science class is learning about the eye and how it works, you can add this activity as a demonstration of how the retina holds an afterimage. After staring at a red, green, or blue bird shape, pupils glance at a cage and...
Exploratorium
Parabolas
A parabolic mirror toy demonstrates how concave mirrors objects reflect light and produce a realistic image at their focal point. This resource probably doesn't explain any more than the printed insert that accompanies such an apparatus...
Exploratorium
Touch the Spring
Concave mirrors and the images they produce are traditional topics in the physics classroom. This resource explains how to set up an investigation of them, and it provides you with the explanation of concepts.
Curated OER
Open Your Eyes To Art!
Students help create a colorful bulletin board for classroom art displays in this short lesson for the early elementary classroom. The lesson, which can use a variety of items, includes product ideas and resource links to find very...
Curated OER
Measuring Height
In this measurement worksheet, students cut out a measuring bar, using it to color in specific heights of 3 different bars. Worksheet has a reference web site for additional activities.