Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Find out whether matching resonant frequencies can cause objects to shatter.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

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.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

This science fair project idea produces varying pitches of sound.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!