| Directory > Kids and Teens > School Time > Science > Physics > Sound Musical Acoustics
Learn about acoustics of different instruments, the sound spectrum, standing wave patterns
supported by different air columns on this page by The University of New South Wales, Australia .
http://www.phys.unsw.edu.au/music/
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Waves Lecture
Power point slides covering wave speed and pulses, energy, superposition, standing waves, doppler
effect, Huygen's principle, refraction, interference, and diffraction gratings.
http://www.antcrc.utas.edu.au/~kelvin/physics/wav01_files/frame.htm
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Investigating Sound
Explains what is sound, how we hear it, and shows the features of a sound wave graph.
http://www.newman.ac.uk/students/~k.james.smith/
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Sound, Light and Radio Waves
Frequency, amplitude and wavelength effect waves of sound, radio, light in different ways. Changing
one of these characteristics affects the others.
http://www.eoascientific.com/interactive/light_radio_sound_waves/light_radio_sound_waves.html
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Sound
Elucidates traveling and standing waves using diagrams to show harmonic and overtone wave patterns.
http://library.thinkquest.org/27153/mechanics/physics.html
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The Physics of Sound
Uses graphs to explain production and perception of sound.
http://www.physics.usu.edu/classes/4020/soundnotes/sound.htm
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Standing Sound Waves
Uses diagrams to show pressure nodes and internodes of harmonics in a pipe.
http://hep.physics.indiana.edu/~rickv/Standing_Sound_Waves.html
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The vOICe Sonification Applet - Draw your own Sound
Explore synthetic sound and vision with this voice mapping java applet. Sonify the premade images,
or make your own.
http://www.seeingwithsound.com/javoice.htm
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Doppler radar is a key forecasting tool
Find out how the doppler effect is used to read the weather, and how it can be used in short term
weather prediction.
http://www.usatoday.com/weather/wdoppler.htm
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The Physics Classroom
The sound section of a more diverse site. Contains lots of information and fully explained
diagrams. Check your understanding with a quiz at the end.
http://www.physicsclassroom.com/Class/sound/soundtoc.html
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The Doppler Effect and Sonic Booms
Explore in detail the wave front diagrams of stationary and moving sources at both subsonic and
supersonic velocities.
http://www.gmi.edu/~drussell/Demos/doppler/doppler.html
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Doppler Effect Demonstration
A Java Applet showing the how wave fronts cause the doppler effect.
http://www.sciencejoywagon.com/physicszone/lesson/otherpub/wfendt/dopplerengl.htm
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Acoustics and You
Find out about all the possible areas for a career in acoustics on this site by the Acoustical
Society of America.
http://asa.aip.org/acou_and_you.html
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How Ultrasound Works
Learn about how waves are reflected as they travel through various objects, and how these
reflections are used to produce images for medical use.
http://www.explorescience.com/activities/Activity_page.cfm?ActivityID=43
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Longitudinal Wave Activity
See how the particles move, and the graphs for acceleration, velocity and displacement when the
sound frequency is changed in this activity.
http://www.explorescience.com/activities/Activity_page.cfm?ActivityID=50
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Doppler Effect Activity
This shockwave activity shows the way that waves originate from a single moving source, and
provides a link to the same activity using two sources.
http://www.explorescience.com/activities/Activity_page.cfm?ActivityID=45
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Sounds and Noise
Try these experiments which show the physics of sound waves by using objects around the house to
demonstrate how they travel.
http://www.fatlion.com/science/sound.html
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Sound is Energy
Find out about sound waves, and how their graph varies with change of pitch and volume. Check out
the experiments which show that sounds are vibrations.
http://tqjunior.thinkquest.org/5116/sound.htm
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Radio Transmission
Learn about the different stages of radio transmission, how radio waves are emitted, and the
difference between AM and FM radio.
http://www.pbs.org/wgbh/aso/tryit/radio/#
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Sound Waves and the Eardrum
Offers an animation of how high and low pressure waves make the eardrum vibrate along with
information on how the journey of sound waves affects the brain.
http://www.glenbrook.k12.il.us/gbssci/phys/mmedia/waves/edl.html
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Science of Sound
A partnership site between the Science Museum and the Minnesota Orchestra, exploring the science
and art of sound by offering performance, activities, and discussion sections.
http://www.sci.mus.mn.us/sound/nocss/top.html
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