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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project idea determines the most effective method of preserving food.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea determines if the color of light affects the growth of plants.

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.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This project explores ways to prevent static electrical shocks.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

In this project children practice the scientific method while playing with puffy paint.

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.

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.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.