Surprising Science Demonstration with Steam and Air Pressure

1,003 views · Published 11 October 2018 · 2:39 · Indexed 1 November 2026

Channel: Make Science Fun · 2018 · Education

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First the water is boiled in the left flask, which drives out the air and fills it with steam. When the heat is removed, the steam condenses, leaving a vacuum and so the blue water from the right hand flask is forced into it. This is the basis for how water was once pumped out of coal mines.

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