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.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!