The device.Candle waxGlass of waterPlate.CupNo matches or fire chaekThe experiments.Drops of food color into the prepared water.Pour the mixture into the prepared dish color.Bring a candle in the middle of the plate, and then wangboriwen to spot lights.Bring a candle placed glass cover Wait light will turn off. Note that the water around the glass to flow gradually into glass. ResultsThe outside water causes inside the glass can have it, because when the oxygen is used to burn completely. Nam and the outside oxygen into Replace glass in the air.
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