Candle In A Jar Experiment

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Based on several pieces of data it is now understood that when you remove pressure, volume rises. The data that supports this claim is the Candle in a Jar experiment. In this experiment, you pour water into a plate, light a candle, place it in the middle of the plate, then cover it up with a cup. The flame uses up the oxygen in the cup and it creates low air pressure. The pressure outside tries to push in. The water at the bottom makes an airtight seal and this causes the water to raise until the pressure is the same as the outside pressure.

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