Physical Science: Waves, Sound, and Light, Book O

Chapter 2: Sound

Web Links


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Topic: Sonar

Visit these sites to learn more about how sonar is used to detect objects underwater. Use the information to complete the activity in your book.

How Submarines Work

( http://www.howstuffworks.com/submarine3.htm )
Sonar - The Ultimate Soundwave

( http://www.sanjuan.edu/schools/arcade/SonarSR.html )
Experiments with Sonar

( http://www.pbs.org/wgbh/nova/lochness/sonar.html )
Communication and Echolocation

( http://www.seaworld.org/infobooks/Bottlenose/echodol.html )
What Is Dolphin Echolocation?

( http://nv.essortment.com/whatisdolphins_rjms.htm )

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Topic: Controlling Reverberation

Visit these sites to learn more about how acoustical engineers control reverberation. Use the information to complete the activity in your book.

Reverberation Time

( http://hyperphysics.phy-astr.gsu.edu/hbase/acoustic/revtim.html )
Reverberation Time Demonstration

( http://www.bkla.com/reverb.htm )
Reverberation Time Calculator

( http://www.saecollege.de/reference_material/pages/Reverberation%20Time%20Calculator.htm )
Calculation of Reverberation Time

( http://www.vip-site.ch/Utilities/delay_berechnung.html )

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Visit these sites for more information about the sounds of candy wrappers.

The Deafening Science of Candy Wrappers

( http://www.exn.ca/stories/2000/07/20/53.asp )
On the Noise of a Crumpled Wrapper

( http://www.simons-rock.edu/~ekramer/Sound/ )
Forced Crumpling Web Site

( http://jfi.uchicago.edu/%7Etten/Crumpling/ )
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