CK-12 Foundation
Ck 12: Physical Science: Speed of 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.
Physics Classroom
The Physics Classroom: Sound Waves and Music: The Speed of Sound
Students discover factors that affect the speed of sound waves through a medium with illustrated examples and interactive practice problems.
Georgia State University
Georgia State University: Hyper Physics: Speed of Sound
Physics tutorial on measuring the speed of sound in dry air. An interactive form allows the student to practice solving problems involving the temperature dependence of the speed of sound.
Khan Academy
Khan Academy: Test Prep: Mcat: Physical Processes: Sound Is a Longitudinal Wave
Discusses the physics of how sound travels. Includes a video of a volcanic eruption that demonstrates the speed of sound waves.
University of New South Wales (Australia)
University of New South Wales: School of Physics: Physclips: Sound
Physiclips thoroughly presents the concept of sound with animations and film clips. Learn about the properties of sound and the physics behind sound waves with this site.
Other
Transverse and Longitudinal Wave Propagation in an Elastic Medium
Extensive information about how waves behave in an elastic medium. Covers different types of waves, their characteristics and behavior, the anatomy of the ear, the speed of sound in different media, the parts of a wave, and wave phenomena.
Physics Aviary
Physics Aviary: Speed of Sound Lab
This lab is designed to have students investigate the relationship between the distance from an explosion and the time it takes the sound of the explosion to reach the observer. The temperature of the air can be changed by changing the...
Physics Hypertextbook
The Physics Hypertextbook: The Nature of Sound
Study the details of sound from characteristics to speed, ultrasound, infrasound, and other aspects of sound waves.
Physics Aviary
Physics Aviary: Practice Problems: Sound Wave Problem
Determine the speed of a sound wave through an alien atmosphere. You must also find the frequency of the wave source and the wavelength of the wave.
Science Struck
Science Struck: Facts About Sound Waves for Kids
Provides a simple explanation of how sound waves travel and gives a long list of facts about sound waves.
Ducksters
Ducksters: Physics for Kids: Basics of Sound
Kids learn the basics of the science of sound, the speed of sound, and volume. What is sound and how does it move? It is a wave made from the vibration of molecules.
Georgia State University
Georgia State University: Hyper Physics: Water Tube Resonance Experiment
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.
Physics Aviary
Physics Aviary: Wave on String Lab
This lab is designed to help students discover the connections between the linear density of a string and the tension in the string with the speed of the wave along the string. The program can be set with six identical strings or six...
Science Struck
Science Struck: How Does Sound Travel?
Discusses the characteristics of sound waves and the conditions that affect the speed of sound.
CK-12 Foundation
Ck 12: Wave Speed Calculations
[Free Registration/Login may be required to access all resource tools.] Students investigate and analyze characteristics of waves, including velocity, and calculate the relationship between wave speed, frequency, and wavelength.
PBS
Pbs Teachers: Scientific American: Calls of the Wild: Bats and Echolocation
Explore bats' navigation systems by experimenting with echolocation. Approximate an object's distance by analyzing reflected sound waves, measuring the delay in sound and calculating the ratio to the speed of sound.
TED Talks
Ted: Ted Ed: The Sonic Boom Problem
Objects that fly faster than the speed of sound create a shock wave accompanied by a thunder-like noise: the sonic boom. These epic sounds can cause distress to people and animals and even damage nearby buildings. Katerina Kaouri details...
Science Buddies
Science Buddies: Guitar Fundamentals: Wavelength, Frequency, & Speed
This is a rockin' project for guitarists with an interest in the physics behind music. If you have ever wondered why the pitch of the note changes when you fret the string, this project will help you understand by applying basic...
Physics Central
Physics Central: Physics at Your Desk: Drumming Fingers
An easy experiment through which students explore sound waves while tapping their fingers on a desk or table in a quiet room.
Georgia State University
Georgia State University: Hyper Physics: Wave Motion
Two wave graphs depicting a sine wave and relating the various characteristics (wavelength, amplitude, frequency, and period) of a wave to each other. The site includes an interactive JavaScript form in which the visitor enters one...
MadSci Network
Mad Sci Network: Measuring the Speed of Sound
Can you measure the speed of sound? Find out for yourself using this site's question and answer format.
NASA
Rxte Learning Center: Frequency, Wave Length, and Energy Activity
Resource focuses on the relationship between the frequency, wavelength and speed of light. Has a link to an interactive activity relating frequency, wavelength, and energy.
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Waves and Sound
Students will understand and predict wave phenomena, and investigate the energy contained in waves. They will gain a deeper understanding of waves and wave interference that will enable characterization and engineering of matter from the...
Famous Scientists
Famous Scientists: Ernst Mach
Read about the life and work of this Austrian physicist and philosopher, known for his contributions to physics with the Mach number and the study of shock waves.