Search Results
Showing results 1 to 5 of 5
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-792.gif?itok=xa0pZbc8)
CD Spinner
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-678.gif?itok=nhNJZYSn)
Ambiguous Cube
Source Institutions
In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-270.jpg?itok=p-mpEE59)
Magnification vs. Resolution: Can you see the flag on the Moon?
Source Institutions
This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-827.jpg?itok=iXMAAGJ5)
Size and Distance
Source Institutions
In this activity about depth perception, learners create an optical illusion in a shoe box.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-765.jpg?itok=lK1KtGXi)
Afterimage
Source Institutions
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.