Sound and Light Waves
Sound Waves      
Address Description
http://www.bbc.co.uk/schools/gcsebitesize/physics/
waves/soundultrasoundandseismicwavesrev1.shtml		 Different kinds of waves are explained on the British website.
http://www.physicsclassroom.com/
Class/sound/soundtoc.html		 This site explains the nature of sound waves.
http://home.cord.edu/faculty/manning/
physics215/studentpages/angieevanson.html		 Definition of both sound and light waves
http://www.sci.mus.mn.us/sound/nocss/top.html University of Minnesota sponsored website about sound.
http://www.surfnetkids.com/sound.htm Surfing the net with kids site about sound
http://school.discovery.com/lessonplans/
programs/soundwaves/		 This site has some links to sound files.  Might want to use them for a scavenger hunt link.
http://science.nasa.gov/headlines/y2003/
09sep_blackholesounds.htm		 This is a NASA site that explains how it found a sound coming from a Black hole.  Interesting stuff.
http://www.fi.edu/fellows/fellow2/
apr99/soundvib.html		 This site has simple drawings that help explain different kinds of sound waves.
http://www.fi.edu/pieces/dukerich/
sound/soundscience.html		 This is a good explanation of sound waves.
http://www.frontiernet.net/
~imaging/play_a_piano.html		 This site has part of piano keyboard.  When you click a key,  you also see the wave length.  Worth a look at the site.  This needs a Java plugin on the computer to work.
Light Waves