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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.

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

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?

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

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!

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea assesses the effect of music on work performance.

This science fair project idea determines effective strategies to help students stay awake and attentive.