Air+around+us+-+October+11

media type="custom" key="10845174"media type="custom" key="10872352"media type="custom" key="10830727" You need an hard boiled peeled egg for the next cool experiment. Warm air expands. When air inside the bottle is cooled down, the pressure inside the bottle is lower and the pressure of air around us pushes the egg inside the bottle. media type="custom" key="10845800"media type="custom" key="10835153"media type="custom" key="10837107" Another version of this experiment: Another version of this experiment:

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