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This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

If your child is hungry to work on his sewing skills, put together a plate of this felt play food ravioli.

In this activity, your child will take a walk outside, listen to the silence in between sounds, and draw what the experience was like for them.

Learn about coins and their value by making an animal piggy bank. Here's how to make a lion, pig, or sheep bank!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Trying to find sums of groups of multiples is a great way to practice your addition. Be sure to double check your work. If you clear all of the cards, you win!

Introduce your fifth grader to the Kinara, part of the Kwanzaa tradition, by playing this fast-paced, two player game!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Want to help your child develop stronger numeracy skills and make your dice games even more fun? Try creating some googly-eyed funny dice.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Celebrate spring by creating a cute crawly critter bag to fill with your favorite candy!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Here's an activity that has your teenager or child upcycling empty cereal boxes to create a handy, one-of-a-kind notebook holder to keep her space organized.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Re-purpose a tin can into a pretty compost bucket for your family's kitchen counter and learn about the science and fun of recycling and renewing objects.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Explore griffins, dragons, and other medieval mythical beasts through sculpture by making your own bas relief beast out of modeling clay.

If your child is particularly handy or artistic, she'll love putting her talents toward making a custom key holder. It's the perfect gift for any occasion.

Teach your fifth grader the ancient Japanese art of origami with this incredible origami balloon that uses just one piece of paper!

Repurpose those plastic shopping bags hiding in your house into a fun and exciting decoration your child can hang in her room!

Ignite your child's creativity by having them design their own clay version of an alebrije, a traditional fanciful creature like the ones made in Oaxaca, Mexico.

Never lose your glasses again after this fun craft project, making a homemade case for your eyeglasses!

Light up your home with this lightning bug craft that will keep glowing even after summer's gone!

Celebrate Veterans Day or Memorial Day by creating some patriotic paper star charms to honor those who have served in the military.

Craft this leprechaun hat-covered jar, brimming with St. Patrick's Day charm!

Try a fun Mother's Day game for moms and kids to play together!

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.