Exploratorium
Exploratorium: Science Snacks: Pipes of Pan
An experiment to create a device using cardboard tubes that will separate a mixture of sounds in a background into their different frequencies, from low to high depending on the tube length.
Exploratorium
Exploratorium: Science Snacks: Resonant Pendulum
An experiment in resonance that demonstrates how to make a pendulum swing widely by exerting only a small force.
Physics Classroom
The Physics Classroom: Sound Waves and Music: Standing Wave Patterns
Elaborate on the essential characteristics and the causes of standing wave patterns and relate these patterns to the vibrations of musical instruments.
CK-12 Foundation
Ck 12: Probability: Conditional Probability Grades 11 12
[Free Registration/Login may be required to access all resource tools.] Covers conditional probability, associated probabilities, and the natural frequencies approach. Includes videos, lots of examples, and problems for practice.
Michigan Reach Out
Sounds Like Science: Guitars
At this site explore the relationship between audibility and frequency of sound, and the difference between frequency and volume.