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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea determines the most effective method of preserving food.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.