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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.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

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

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

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

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.

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

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

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

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

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

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

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

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

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

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?

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

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

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:

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

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

Learn all about balance and motion as your child designs a corn maze!

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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

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.

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.

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

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.