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四处寻找真化石,不如花点时间用熟石膏或者面粉和水,自己做一个。
步骤
小提示
- 试试往混合物里添加食品色素让其颜色与众不同。
- 如果这是课堂上关于化石的科学学习项目,让班里的同学用纸板和工艺箱里的其他东西来准备来自不同时期的不同化石。使用图书或者网络插图来帮助设计。讨论化石和在化石状态下发现的动植物。
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警告
- 不要把多余的熟石膏或水泥混合料倒入水池,这会堵塞管道;将其弃置在垃圾桶或者垃圾箱里。
- 用钉子时要当心。
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你需要准备
方法一:
- 熟石膏或水泥粉;按照包装袋上的说明进行混合。
- 万一需要破坏掉的话最好使用一次性容器。
- 水。
- 用来“化石化”的东西,比如鱼骨、贝壳,等等,或者按照某个插图用零碎的工艺品做个形状出来。
方法二:
- 面粉
- 水
- 容器,比如冰淇淋盒。
这篇文章对你有帮助吗?
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