Just watched my chemistry professor light thermite in class as a demonstration of hetergenous exothermic reactions.
You may remember thermite from the Mythbuster's episode of asking "is it better to end with a bang?". Jamie and Adam used thermite to cut an SUV in half. Pretty awesome.
Blue sparks, thick smoke, and dripping lava-hot iron.
Chemistry ain't so bad at the university level, eh?
Video is of the same room/contraption, but different professor/class. I think this was a few years ago at UCSD.