Learning about waves can have its ups and downs, but a demo-packed tool kit has the class "standing" for more! Learners gain experience with several different wave types, organizing observations and data, and wave...

[Free Registration/Login may be required to access all resource tools.] How musical instruments make sounds, music and change pitch.

By the end of this section, you will be able to define antinode, node, fundamental, overtones, and harmonics; identify instances of sound interference in everyday situations; describe how sound interference occurring inside open and...

Physiclips thoroughly presents the concept of interference with animations and film clips. Learn about linear superposition, beats, and consonance in this learning module.

The concept of pitch and frequency is covered in this tutorial. Learn what frequency and pitch are, the difference between infra sound and ultrasonic frequencies, and how pitch is related to the frequency of a sound.

[Free Registration/Login may be required to access all resource tools.] What the speed of sound is and its variation in different media, and the effect of temperature on the speed of sound.

This tutorial looks at the behavior of sound waves, specifically focusing upon sound interference and beats. Learn more about it and then take a short quiz to check your understanding.

In this video, musician Jake Shimabukuro uses the pitch of musical notes and vibrations in hertz to illustrate the concept of ratios. This clip is from Center for Asian American Media. In the accompanying classroom activity, students...