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!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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?

This classic children's game demonstrates how sound travels through air vs. through a solid.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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