Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

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

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

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

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

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.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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