Water candlestick. Fun physical experience at home

ENTERTAINING EXPERIENCES AT HOME
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Water candlestick. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

Throw a stearin candle into the water. She will float lying on her side. So you can't light a candle. It is necessary to load the lower end with a nail. Just do not try to stick this nail in by force: the stearin will crumble. The nail must be heated, then it will go in like butter, and will hold well.

Pick up a nail so that almost the entire candle is immersed in water. Only the wick and the very edge of the stearin should remain above the surface. A glass of water in which this candle floats will turn out to be a good candlestick. Light the wick and the candle will burn until it is completely burnt out.

water candlestick

But why? After all, it is about to burn down to water and go out? But that doesn't happen. The water cools the stearin from the outside. Therefore, the edges of the candle will melt more slowly and a deep funnel will form around the wick. The candle will turn into a stearin boat, it will gradually float up. And although there is less and less stearin left, even a small cinder loaded with a nail will not go to the bottom. The candle will burn out almost to the very end.

By the way, our candlestick has one important advantage. A burned-out candle here will never make a fire: the wick will be extinguished with water.

Author: Galpershtein L.Ya.

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