How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

In this project students experiment with making music using only glasses of water.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This basketball project explores the best way to make the perfect shot every time.

Discover whether a metal will expand under hot water.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Do different types of oil mix or stack? Find out in this science fair project idea!

Find out which kind of bubble wrap fares best when put in impact.

Find out which type of sponge holds the most water.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.