This science fair project idea produces varying pitches of sound.

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

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

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

An home science experiment for older students that teaches about the science behind heat.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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.

This science fair project idea experiments with spinning color wheels and optical illusions.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

In this fun activity, your child will create their very own solar oven to bake s'mores!