Candles

  It was one of my students birthdays last week. The student brought in a cake, I had a candle, we lit it, sang happy birthday, etc ..... and then had a remarkably good discussion into wjat happens during the combustion of a candle. What is actually burning? The students asked. The wax? the wick? both? neither? By Matthew Bowden www.digitallyrefreshing.com (http://www.sxc.hu/photo/148763) , via Wikimedia CommonsThis is actually a good discussion to have if you are about to teach this organic Chemistry ...