How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

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!

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

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

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.