Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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

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.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This project determines what category of person is most likely to be ticklish.

Science fair project that determines whether mass and weight are the same or different.

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

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!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This project investigates the affect of storage temperature on microwave popcorn.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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