60 多项化学趣味活动。通过简单安全的材料来发现一些基本的科
学概念和现象。培养晶体;制作火山;分离颜料;制作香水和塑
胶等。
More than 60 chemistry activities. Find basic scientific concepts and phenomena through simple and safe materials. Develop crystals; make volcanoes; separate pigments; make perfumes and plastics.
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