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

Explore your kitchen and create a delicious holiday fudge that your child can share with friends and family!

Shadow puppets are a traditional form of folk art that originated in ancient China. Help your child create his own puppet and put on a show!

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.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

As Mother's Day approaches, everyone's grateful! Let your third grader assemble this special book with words from the whole family.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Make a creative Father's Day art card to celebrate your family's beloved guy!

Your child can create a cute basket out of felt to collect her Valentine's Day treats in or give as a gift!

Check out this game that provides an enjoyable way of demonstrating how recorded results can be expressed in whole numbers, fractions, and decimals.

Here's a tasty summer holiday treat: oatmeal chocolate chip cookie sandwiches filled with cinnamon ice cream.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Will the shape of an ice cube impact how fast the ice melts?

The next time your child decides he needs to press restart on his wardrobe, don't ship his clothes off to Goodwill so fast.

Be careful what you wish for... Centered around The Monkey's Paw, by W.W. Jacobs, this writing activity encourages your child to consider consequences.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Liven up your sixth grader's study of world geography with these three fun challenges.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.