Atomic theory

Physical and chemical changes are very different.  I found this video of cute kids from Hong Kong explaining one very easy way to tell the difference.  And remember, if you find their accent or rapping a little different, let me hear your Mandarin.

http://www.youtube.com/watch?v=MN2SqtyeLN0


We'll be hitting atomic theory just before the break. And here's a song (I know, but if you watch it once, you will forever know who was responsible for atomic theory.)

http://www.youtube.com/watch?v=vUzTQWn-wfE


Just in case you have NOTHING else to do :)  here's one last interesting bit! And actually this may be the most important thing on the blog this week.  It is a video explaining how Rutherford proved the atom was a nucleus surrounded by  electrons.  Bonus!  Spanish subtitles.
http://www.youtube.com/watch?v=XBqHkraf8iE