Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Make these delicious and festive smoothies with your kids this Fourth of July to celebrate the holiday with a healthy twist.

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

Give your budding young observers a chance to discover simple machines at use in their own home.

Your child can create a toy soap sure to provide bath time fun for himself or, when given as a gift, a friend!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

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.

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.

Has the rain ruined your summer outdoor campfire plans? You can still make some tasty s'mores with the help of your oven!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This chocolate gelt is the perfect Hanukkah treat. Chocolate gelt is used as a gift for children or in the classic Hanukkah game of Dreidel.

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.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

If you need a way to interest your child in sewing, look no further than this felt food craft.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea examines which type of insulation holds in the most heat.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.