The purpose of this science fair project is to build a basic radio.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

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