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

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

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

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

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.

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

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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

This science project examines the history of earthquakes and what we can do to prevent future disasters.

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science fair project idea studies how talking on a cell phone affect driving?

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

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

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

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!