How to make a fountain without pumping plastic bottles. Fun experiment 

How to make a fountain without pumping plastic bottles. Fun experiment
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Water is stored in the upper bottle and the lower bottle contains air. When we pour water into the funnel, the water will flow down to the lower bottle through the blue tube. This is a closed system so the air in the lower bottle will be pushed. to the bottle above, through the purple tube to create a pressure difference and push the water in the bottle above out through the white tube.
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