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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science fair project idea produces sounds by creating vibrations using different objects.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Learn all about balance and motion as your child designs a corn maze!

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.

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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

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, 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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

This science fair project idea produces varying pitches of sound.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.