- Introduction to compression (longitudinal) waves. Sound waves as an example of compression waves.
A reference site for students (and their parents) who took Physical Science at Westfield High School with Mr. Yamashita in 2007-2008. This site is no longer actively maintained. UPDATE: April, 2012: the documents linked to on this site were removed, so many of the links on this site will be broken. Please contact me (MrYOnline@gmail.com) if you are interested in those documents.
