Online physics lab experiment in which students use resonating waves inside of a closed-end air column to determine the speed of sound. The form allows students to check their answers and receive immediate feedback.

This concise Grace's Warbler site provides clear facts about the physical characteristics, range, conservation status and more. Listen to the sounds of this bird species on this site as well.

Physics lab definition of air fiction. Part of a hypertext physics course on sound.

The Nobel Foundation provides a biography of Bragg. This site focuses primarily on his activities and accomplishments as a scientist.