Activity
Exploratorium

Laser Jello

For Teachers 7th - 10th
The concepts of refraction and reflection gel with your physical science class during this colorful exploration. Shining lasers through Petri-dish-shaped gelatin desserts, they will notice how the light travels and bounces off the sides....
Activity
Teach Engineering

When Silicon Talks

For Teachers 10th - 12th
Explore Snell's Law using thin films. In the fifth installment of a seven-part series, pupils solve a set of problems relating to Snell's Law and use this skill during an experiment requiring the collection of reflective measurements...
Activity
American Museum of Natural History

American Museum of Natural History: Ology: See the Light

For Students 3rd - 8th
Reflection, refraction, and the colors that make up white light is explored through lab activities after reading a brief background about light energy.
Activity
Discovery Education

Discovery Education: 3 M Young Scientist Lab: Gelatin Optic Fibers

For Students 3rd - 8th
Strips of gelatin dessert and a laser pointer demonstrate total internal reflection.
Activity
My Science Site

My Science Site: The Light for Sight [Pdf]

For Teachers 9th - 10th
This resource offers a hands-on activity for science teachers to teach about the eye and it's ability to see images. Also discusses refraction and reflection. This resource is in PDF form; requires Adobe Reader.