I don't know about you, but my high school chemistry class was filled with equations and titrations and the occasional back row nap. The gentlemen at the Periodic Table of Videos, however, have spent the last year making elements go boom. And here's every last fiery feat of 2011, for your last-work-day-before-New-Year's pleasure.
I'd say don't try this at home, but if you have access to thermite and safety goggles, you totally should. [Videosift via Buzzfeed]