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...