How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Have a lot of loose buttons lying around the house? Here are four ways to turn those loose buttons into an easy and positive learning experience. Button up!

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

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!

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Thanksgiving placemats are a great craft for your kid, and a beautiful addition to the dinner table. Make Thanksgiving placemats with your kid for the holiday.

Draw some educational value out of a summer stocked full of adventures!

This engaging, fun, pattern resist painting is inspired by your little one's love of shapes.

Help your child stay physically and mentally active with this group aerobic fitness game that's good for the heart and mind alike.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Start the new year with this fourth grade math "Calculation Challenge!"

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Give your smart second grader a rich challenge with this activity that combines graphing practice with money!

Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

This project compares different liquids and the freezing, melting and boiling points of liquids.

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.