Скачать или смотреть Bubble water

A chicken egg sinks in fresh water and floats in salt water, because the density of salt water is greater than the average density of the egg, and fresh water is less. Is it possible to reduce the density of fresh water with any additives? Yes, you can - if you pass air bubbles through this water. And a body that floated in water without bubbles may drown in water with bubbles. This experiment can also be done in the opposite direction, pouring lead shot into the water and forcing the drowned body to float to the surface.

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