If you missed class on Thursday (10/11/12) you missed a demo - Ms. LaSovage tore water apart into its component elements!
Here are two links that show kind of what it looked like:
This one is from a regular science teacher, and he explains concepts as he goes along. http://www.youtube.com/watch?v=HQ9Fhd7P_HA
On this one, go about 5 minutes in and you can see the "pop!" of the hydrogen gas when the match is brought close to it. http://www.youtube.com/watch?v=6BL0UeGBZJU