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我们听过植物会生长,动物会生长,却没体会过晶体也会生长。晶体是由大量微观物质单位(原子、离子、分子等)按一定规则有序排列的结构。晶体的形状多种多样,但都很有规则,有的是立方体,有的像金字塔,有的像一簇簇的针……晶体的世界丰富多彩,晶体的结构纷繁复杂。在学习了结晶的知识后,为了把抽象的知识具体化、形象化,让学生看得见、摸得着,在感受中认识,化学组举行了一次别开生面的化学DIY----“海洋之心”晶体制作。
![](https://img.haomeiwen.com/i14547605/9c72c45f5952c9d8.jpg)
活动中,同学们爆发出了巨大的研究热情,付出了大量的脑力劳动,表现了出色的动手实践能力。同时,他们也收获了快乐,提高了自身的化学核心素养。
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形状规则的“海洋之心”看起来十分漂亮,拿在手上细细摩挲自己的成果,同学们脸上笑开了花,看着手中的成果,心里满满的成就感。
最终,经化学组老师集体评议,评选出了一、二、三等奖作品,部分优秀作品在大厅展出,展品引来众多学生和老师的驻足围观并啧啧称赞。
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部分优秀作品展示
![](https://img.haomeiwen.com/i14547605/7f0c162a3a681850.jpg)
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根据硫酸铜晶体的制作方法,同学们还制作出了其他晶体,如明矾、蔗糖、氯化钠、谷氨酸钠晶体等,同样精彩纷呈,我们一起来欣赏一下吧!
![](https://img.haomeiwen.com/i14547605/7bf91663f912243c.jpg)
![](https://img.haomeiwen.com/i14547605/b7edade5cfb61b71.jpg)
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通过切身体会晶体的制作过程,把抽象的知识具体化、形象化,让学生看得见、摸得着,最终在感受中认识,在认识中理解,在理解中升华。活动结束后,同学们纷纷表示:在活动中提高了动手能力,感受到化学的奇妙,领略到微观化学的美!
小小的一次晶体制作实践活动,聚焦核心素养,提升学科思维,促进学生发展,这是我们在今后教学实践中不断追求的目标和前进的方向。我们会一直坚持下去,陪着孩子们去探索化学,爱上化学!
附:获奖名单
![](https://img.haomeiwen.com/i14547605/ba2619f89135ade0.jpg)
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