This classic children's game demonstrates how sound travels through air vs. through a solid.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Discover which fabrics shrink the most in the wash and why.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project examines how seeds hitchhike on animals and clothing.

Examine whether males or females are more likely to have a higher center of gravity.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this experiment you will use plastic and magnets to test your local soil composition.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This project is about after-images and what possibly affects them.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

Determine which metal has the highest rate of conductivity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Find out whether a longer airplane will fly farther or a wider paper airplane.