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雞蛋為什麼會在鹽水中浮起來
雞蛋為什麼會在鹽水中浮起來
更新时间:2026-01-27 04:09:07

  1、由于雞蛋的密度小于鹽水的密度,所以雞蛋會浮在鹽水的上面。當向鹽水中加清水時,鹽水的密度就會不斷減小,當鹽水的密度小于雞蛋的密度時,雞蛋就會下沉。

  2、從力和運動的關系來解釋:雞蛋浸沒在水中時,所受的浮力小于重力,所以雞蛋下沉。

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