Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this science fair project, students make their own rain gauge to measure rainfall.

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.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea determines the probability of a coin landing heads or tails.

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?

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This biodiversity project examines the biodiversity in your own backyard.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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.

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.