Credits

Special thanks to the teachers in-charge:
Ms Sng, Ms Chia, Ms Tan and Ms Wang (Jurong West Secondary School)

 

We would also like to thank the following websites for providing us with information:

http://hyperphysics.phy-astr.gsu.edu/hbase/sound/pitch.html

http://www.school-for-champions.com/science/sound.html

http://dictionary.reference.com/