This project compares the strength of one, two, and three-ply toilet paper.

In this science fair project, students use the streak test to tell minerals apart from each other.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.