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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.

In this science fair project, students use the streak test to tell minerals apart from each other.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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!

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.

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

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

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

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

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

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

This science fair project will help students learn about non-vascular plants, such as mosses.