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How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This experiment tests which gender is better at catching how a magician performs his tricks.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How powerful is the reaction between baking soda and vinegar? Find out here!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

This little chick is so cute that your child will want to make a whole flock to call her own.

Here's a fun math-oriented arts and crafts activity for your preschool or kindergarten child: create a gumdrop topiary and practice counting along the way.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Create a tornado vortex in your kitchen in this 5th grade science experiment. All you need are two plastic bottles, duct tape, and a metal washer to begin.

In this science fair project, students create their own miniature salt flats at home.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Your child can create his very own pine forest covered in snow and learn some forest vocabulary too!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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?

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.