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.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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 creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

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.

This science fair project idea explores the egg's thin membrane.

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 teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.