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Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

This basketball project explores the best way to make the perfect shot every time.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Make a backbone model to explore human anatomy and life science.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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.

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.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.