Introduction Task Questions Resources Conclusion Teacher's Page

Resources;

    You are encouraged to visit these websites, and others or get information from libraries, books, governmental publications, friends or anywhere.

http://www.springs.k12.wi.us/sound.html                                                                                                         http://www.fpl.fs.fed.us/documnts/fplrp/fplrp596/fplrp596.pdf

http://science.howstuffworks.com/the-sound-of-silence-info8.htm                                                                    http://www.aftec.com/highway-sound-barrier.php

http://www.acoustics.org/press/135th/menounou.htm                                                                                      http://www.speechprivacysystems.com/voicearrest-sound-masking-systems/sound-masking-vs-cancellation/

http://www.fhwa.dot.gov/environment/keepdown.htm                                                                                     http://auto.howstuffworks.com/muffler2.htm