《青蛙王子》的故事中，公主的小金球为什么会沉到了水里，而不像小黄鸭一样浮在水面上呢？《卖火柴的小女孩》里，小女孩点燃的火柴为什么能带给她温暖？其实，在孩童耳熟能详的故事里，蕴藏着许多有趣的科学现象。本系列借由生动的小故事，以深入浅出的文字，搭配精细的图解，引发孩童的学习动机，在阅读有趣的故事时，也能学习科学知识。
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