How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea explores the different properties of matter.

This project examines whether people's taste perception is influenced by what they see.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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!

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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?

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.