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!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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.

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

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Give your budding young observers a chance to discover simple machines at use in their own home.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.