Monday, July 20, 2020

Why does the water rise

In this video you can learn how does the water rise and why the candle flame blew out. You will need plate, water, candle and glass tumbler.

Rising water:                                                                                                                                                        The flame heats the air inside the glass tumbler and hot air expands quickly. When the candle is trapped in the glass tumbler it quickly use the available oxygen. Once the candle run out of oxygen, the candle burns out and the remaining air inside cools down. The contraction creates lower pressure inside the glass tumbler. The high pressure air outside the glass tumbler to push the water down into the plate, allowing the water to be pushed upwards into the glass tumbler. 
You can understand how the temperature affects pressure.

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