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

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Demonstrate which cooking method gets rid of the most fat.

This basketball project explores the best way to make the perfect shot every time.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

The purpose of this science fair project is to build a basic radio.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

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.

In this project, you will observe and record changes in sunspots over two weeks.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this science fair project, young children notice and track changes in trees throughout the year.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In this science fair project, students test how objects float and sink in liquids of different densities.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.