Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Get excited for St. Patrick's Day by making a Celtic knot.

Show your third grader how to string together a pretty, decorative harp.

Practice math and measurement with your third grader this Fourth of July by making these festive cupcakes!

Chocolate dipped candy canes make an elegant and delicious Christmas treat that your fifth grader can make. Make chocolate dipped candy canes with your child.

Take advantage of the upcoming Irish holiday, Saint Patrick's Day, to encourage your third grader to flex his poetry muscles and come up with a haiku.

Make this cute Rudolph holiday card holder so you can keep track of them and share them with the world.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Encourage your child to explore color and its mood-altering effects by creating his own self portrait using only warm or cool colors.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

This easy indoor activity teaches kids how to mix kitchen ingredients into watercolor paints, while giving a crash course in color-combining.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Plan a family dinner based on the "Little House" books, and encourage reading in the household!

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Here's a fun activity to show your child how to use prefixes and root words to "root out" the meaning of a word!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

Ask your fourth grader to jazz up the family kitchen by creating this adorable clothespin giraffe to sit on the counter and hold recipe cards.

Your mother is a treasure, so celebrate her with a fun Motherâs Day Treasure Hunt.

Looking for way to help Japan? Start by making paper cranes! Learn how you and your child can show your support for Japan through the art of origami.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.