九年级化学下册专题九化学与生活单元4《日常生活中常见的材料》学案1(无答案)(新版)湘教版.doc

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1单元 4 日常生活中常见的材料【学习目标】1.了解材料的分类,知道材料对人类社会发展的重要贡献;2.了解无机非金属材料、合成材料、复合材料对人类和环境的影响;3.认识开发环境友好的新材料与社会发展的密切关系。【新知预习】1.人们使用的物品是由各种材料制成的,人类利用的材料有哪些种类?2.查阅资料,简述玻璃的制造原理。3.常见的无机非金属材料有哪些?各自具有哪些特性?4.有机合成材料的种类有哪些?各自具有哪些特性?5.查阅资料,了解“白色污染”对人类和环境的危害。6. 什么是复合材料?它有哪些优点?7.钢筋混凝土和玻璃钢是如何制造而成的?具有哪些用途?2【预习小结】材料分类:_水泥:_无机非金属材料 玻璃:_ 陶瓷:_塑料:_日常生活中常见的材料 有机合成材料 合成纤维:_合成橡胶:_定义:_复合材料 钢筋混凝土:_玻璃钢:_【预习检测】1.镍铬烤瓷牙是一种医院常用的材料,主要由镍铬合金和陶瓷两种材料加工而成。这两种材料分别属于( )A金属材料、无机非金属材料B合成材料、金属材料C无机非金属材料、合成材料D复合材料、无机非金属材料2.食品包装袋的制造材料聚乙烯属于下列物质中的( )A. 天然纤维B. 塑料C. 合成纤维D. 合成橡胶3. 材料与人类生活密切相关。下列物品是由有机合成材料制成的是( )A羊毛衫 B塑料脸盆C不锈钢餐具 D玻璃杯3

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