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关于沃特世

沃特世STEM现场: 六层密度柱

沃特世STEM现场：为孩子们提供的科学实验！在本次实验中，Maureen DeLoffi讲述了将液体堆积起来以确定什么是密度，它意味着什么，以及如何使用家用物品来比较密度。

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