In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

The project investigates how water and movement affects erosion.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea investigates how the shape of an object affects drag.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea explores how length affects the weight a bridge can hold.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Slip some science into storm watching with a homemade rain gauge!

In this activity your child will create their very own marble maze!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.