标题:
《奇幻科学城》解锁平衡力 博士团带萌娃对抗多线拔河
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作者:
信迟树
时间:
2017-7-21 18:18
标题:
《奇幻科学城》解锁平衡力 博士团带萌娃对抗多线拔河
没有平衡人类就无法生存,不管是人类动作还是日常生活,都离不开平衡。但生活中并不缺乏打破平衡规则的现象,比如浮力,博士团由此提出疑问“鸡蛋放入以下哪种液体中会浮起来?”部分萌娃根据自己的实验经验认为应该是白醋,有的萌娃则觉得白酒会让鸡蛋浮起来。
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博士团并不公布答案,而是带萌娃做起实验,发现能够使鸡蛋漂浮的是蜂蜜水,郎海涛分析到这是因为鸡蛋受到浮力的大小是由鸡蛋本身排开水的体积以及液体密度两个因素决定的,在排开水的体积相同的情况下,只有蜂蜜水的密度大到能将鸡蛋浮起。
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