Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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 sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This project examines whether people's taste perception is influenced by what they see.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science project idea determines whether cold water boils faster than warm water.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project compares the strength of one, two, and three-ply toilet paper.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

In this fun experiment, we'll find out how color affects heat absorption!

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

In this science fair project, students test how objects float and sink in liquids of different densities.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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.