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...
Curated OER
Winter Waltz
Students pretend their room is an imaginary frozen pond. In this performing arts lesson, students create the illusion that they are skating on the pond by using wax paper on their feet. Finally, students get in the winter mood by...
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.