Atoms & Molecules

Crash Course video on Chemistry
Another history of chemistry video

Video on the Law of Conservation of Mass - Interesting site because the author tries to explain this law to support evolution and the Big Bang Theory.  However, it goes against the Second Law of Thermodynamics.  Do you remember what the Second Law of Thermodynamics States?  How would you respond to the author of this video?  Where did the original energy (c²) come from?

Crash Course Video on Law of Conservation of Mass