A Moment of Science
No sooner are they blown out, then they re-light and can be blown out again. How can a candle light itself?
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
What happens to helium balloons in a car when the car stops suddenly?
Fire is a chemical reaction between oxygen molecules and some kind of fuel. This reaction releases the heat and light that we call fire.
You light a candle in a dark room. Now suppose a mirror is brought in. Is the room brighter?
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
Want to try an experiment involving water, fire, and a balloon? Learn about "The Fireproof Balloon" on this Moment of Science.
You can think of a flame as being like a kind of tent. Heat melts the candle’s waxy fuel, and turns it into a gas. This fuel gas floats away from the wick to fill the inside of the flame’s tent.
Copyright © 2013, The Trustees of Indiana University | Copyright Complaints
1229 East Seventh Street, Bloomington, Indiana 47405
