Texas Education Agency
Texas Gateway: Physics of Hearing: Speed of Sound, Frequency, and Wavelength
By the end of this section, you will be able to define pitch; describe the relationship between the speed of sound, its frequency, and its wavelength; describe the effects on the speed of sound as it travels through various media; and...
Texas Education Agency
Texas Gateway: Physics of Hearing: Sound Intensity and Sound Level
By the end of this section, you will be able to define intensity, sound intensity, and sound pressure level and to calculate sound intensity levels in decibels (dB).
Texas Education Agency
Texas Gateway: Sound Interference and Resonance: Standing Waves in Air Columns
By the end of this section, you will be able to define antinode, node, fundamental, overtones, and harmonics; identify instances of sound interference in everyday situations; describe how sound interference occurring inside open and...
National Institutes of Health
Nidcd: Noise Induced Hearing Loss
This site on Noise-Induced Hearing Loss runs through a variety of topics on the subject and includes a diagram. The topics covered include: How do we hear, What sounds cause NIHL, What are the effects of NIHL, Can NIHL be prevented, What...
University of Washington
Our Sense of Hearing Experiment: Locating Sound Sources
Have you ever wondered how your ear works? This website will provide you with knowledge on how to locate sound sources among other ear information.
Physics Classroom
The Physics Classroom: Sound Properties and Their Perception
The concept of pitch and frequency is covered in this tutorial. Learn what frequency and pitch are, the difference between infra sound and ultrasonic frequencies, and how pitch is related to the frequency of a sound.
Other
National Engineers Week Foundation: Hearing the Light
Young scholars learn how laser communication systems are built by observing how sound can be encoded into, and transmitted by a light beam.
TeachEngineering
Teach Engineering: Sound for Sight
Echolocation is the ability to orient by transmitting sound and receiving echoes from objects in the environment. As a result of a Marco-Polo type activity and subsequent instructional activity, students learn basic concepts of...
National Institutes of Health
Nidcd: Do You Need a Hearing Test?
Through a series of ten questions related to different areas of hearing and sound, this quiz determines whether or not you are at risk for hearing loss.
Creative Science Centre
Creative Science Centre: A Voice on a Sunbeam
Here is described a simple process to 'put a voice on a sunbeam' and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. It then describes how the modulated light is detected...
Other
Noise Pollution Clearninghouse: Noise a Health Problem
Booklet by the Environmental Protection Agency. Covers physical effects on major body systems, as well as emotional impacts. Lengthy, but well indexed.
Reading Rockets
Reading Rockets: Phonics and Decoding
This resource provides information and techniques for teaching phonics and decoding, which assist with early literacy.
Other
Sim Professional Development and Enterprise Learning: 3 Reasons Why Systems Thinking Is Important for Innovation
In a world where interconnectedness and complexity hold sway, systems thinking offers a disciplined approach to make sense of the world and find innovative solutions to problems. How can a disciplined systems thinking approach lead...
Other
World Health Organization: Community Noise
A European study from the World Health Organization on the effects of noise pollution in communities. Definitions, physiology, effects - very comprehensive, well-indexed.
Frontiers Media
Frontiers: Building the Roads in the City of Your Brain
"Are you ready to go into the spaceship? Remember to stay very still!" This is what you hear before the bed you are lying down on starts to slide into a long, tube shaped machine. You can almost imagine that it really is a spaceship, and...
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