Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.
When one hears the roar of traffic, the bark of a dog, or a teacher’s voice, they are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and frequency. Concepts and terminology illustrated in this video include vibrations, frequency, pitch, amplitude, volume, how sound travels, uses of sound energy, and speed of sound.
![Crash test dummy in the driver's seat of a vehicle. Caption: [tires squeal]](https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/6361_1.jpg)
