PITTSBURGH (KDKA) -- This is a fun experiment that is easy to do and requires very little set up. I like to call it the "Invisible Extinguisher," since it puts a candle out by using what seems to be ...

1. Ask the adult you are working with to light the candle. 2. Watch the candle flame start out small and get bigger. Notice how some of the wax near the wick melts. 3. As the flame burns, the wax from ...