In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

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!

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!

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

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.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Have your child kick off their summer vacation by making a miniature water slide!

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea explores the egg's thin membrane.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.