Photo reactive paper is used to do art! You can order this type of paper, have learners place objects on it, and then set it out in the sunlight for a few minutes to create a print. A chemical reaction occurs, driven by light, to turn...

Bring a little magic into the classroom. Fill a cup with water, place a plate underneath it, and watch a coin disappear. This is a great way to kick off a discussion involving the behavior of light and the concepts of reflection and...

How does a lens work? A thorough video lesson addresses this question by looking at the lenses of human eyes, telescopes, and microscopes. Light waves play an important role function of each of these objects. This is the 41st lesson in...

Light can be a mysterious phenomenon. Take away some of the mystery with an intriguing video lesson. The 38th lesson of the Crash Course physics series studies the movement of light waves. Topics include refraction and reflection as well...