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.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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

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

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project teaches students about wilting and browning of salad greens.

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.

Use pepper and soap to discover some fun facts about the properties of water.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project will help students learn about non-vascular plants, such as mosses.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!