This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Hanukkah stamps help you decorate anything from cards to gifts to wrapping paper. Make your own Hanukkah stamps out of potatoes.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

Help your child celebrate the summer and the sun by making a sandy seascape.

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

In this activity, your child will create a red envelope that can be filled with money to spread good will and ward off evil spirits in the New Year.

Are you looking for a new way to help your fourth grader celebrate New Year's Day? Try this Flash Back Book!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

If your kid is fascinated by dinosaurs, show him how to make his very own dinosaur egg. When he's not looking, hide a surprise inside!

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Make quick sweet and salty walnuts, a delicious addition to fall salads and fruit and nut plates, or a simple afternoon snack.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Make a peace dove to commemorate Black History Month and hang it in your home as a quiet reminder of the spirit of the movement.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

Let your child add her creative touch to Cinco de Mayo celebrations by showing her how to make chili pepper napkin rings.

Help your child be a word detective as he builds excellent reading and comprehension skills on his search for clues to decipher meanings of unfamiliar words.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

The project determines which type of birds prefer which type of birdseed.

Help your teen set--and maintain--an exercise routine and health goals that will improve his overall well-being.

Help your child work on her code breaking and writing skills while covertly developing her analytical thinking skills with this fun activity.

Spend an afternoon outdoors and add a personal touch to clothes or other items of fabric by learning how to tie-dye.

This science fair project determines the quality of a given product.

There are a lot of ways to make decorative wreaths. This wreath uses cloth and egg carton flowers!