Science Education Resource Center at Carleton College
Serc: Investigating Sound: Using Pipe Music to Understand Pitch and Length.
In this investigation the student will learn about sound waves and vibration. Young scholars will use pipes to understand that the slower an object vibrates the lower the pitch and the faster an object vibrates the higher the pitch. Next...
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Univ. Of Leicester: Amplitude of Vibrations and Loudness
Discusses the ear drum receiving vibrations and how the amplitude of those vibrations translates into the loudness of the sound. Good diagrams to illustrate this concept.