How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

What happens when colored beams of light mix? You might be surprised.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

This science fair project idea experiments with spinning color wheels and optical illusions.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.