In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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 fair project idea investigates how magnetism can defy the force of gravity.

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

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.

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

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project idea explores whether white light can be separated into different colors.

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

This science fair project idea determines the most effective method of preserving food.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project idea examines whether boys and girls differ in reflexes.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this science fair project, students create their own miniature salt flats at home.

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

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

This science fair project idea explores whether talking to a plant will help it grow.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.