5/12/11
Post date: May 12, 2011 1:25:36 PM
Bell Ringer: How do your ears work? Why do they "pop" when you change altitude quickly or get sick?
Finish sound notes
Bill Nye - sound
Basics of light notes, demonstrations
P. 551: 1-10 due 5/13/11
Chapter 15 and 16 test Monday