This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea identifies trees using a dichotomous key.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

In this science project, the center of gravity is explored.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

The project investigates how friction affects motion by using different surface textures.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

In this project, different brands of microwave popcorn are tested and compared.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this experiment, the weight of aluminum cans will be compared.

In this project, the affect of acid rain is simulated by the acid, vinegar.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

In this project, waves of vibrations are experimented with using water in glasses.

The project is to investigate yeast fermentation and its results on hand of latex balloons.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.