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

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

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 science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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 students experiment with making music using only glasses of water.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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.