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Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Discover which battery composition (type) lasts the longest.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Examine the impact of insecticides on plant growth.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Test whether spot magnets can help improve the symptoms of an injury.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Explore the electrical energy present in energy drinks.

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?

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Find out whether matte or shiny nail polish lasts longer.

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