In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This year for Valentine's Day, you and your child can bake up a batch of classic red velvet cupcakes and learn more about the history of this vintage treat.

Give your child a taste of life in Civil War era America by mixing up a batch of old-fashioned cornbread, adapted from a 19th century recipe.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

What better way to remember the achievements of past U.S. Presidents than with a game of memory!

Learn to make homemade ketchup with your child and experiment with spices and flavors!

Help your child make her very own candy bars with this easy recipe.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Wraps are a great alternative to the traditional PB & J and a BLT wrap is something your young chef can even make himself!

This project makes learning the difference between warm and cool colors easy and fun. And it's a great intro to complimentary colors - great for pop art!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Here's how to create an easy travel checkers board that you are your child can enjoy together using simple materials.

Enhance fourth-grade measurement making skills and social studies learning with this stitching project.

This science fair project idea explores whether talking to a plant will help it grow.

Here's a delicious and nutritious dish for St. Patrick's Day: make a NiÃoise-style salad bursting with a rainbow of colors!

Help your third grader author a lovely limerick in honor of Valentine's Day! He'll be delighted to compose and recite this nonsensical poem.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Ready for a game that's mostly about strategy with a little luck thrown in for good measure? Make math fact practice exciting and start rolling the dice!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This craft, a perfect pre-bedtime activity for a first sleepover, helps build up a ton of useful skills, like geometry, measurement, and basic sewing skills.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.