Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

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.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This project uses toy cars to determine how friction and gravity affect cars and braking.

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

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

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

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

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

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

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

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?

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Investigate which substances are most effective at removing salt from water.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.