The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea examines which type of insulation holds in the most heat.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Start your toy engines -- this is going to be a fast and friction-filled race!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Will increasing the amount of salt in water effect how slow or fast the water freezes?