九下化学复习课件第12单元 :化学与生活
考纲要求
1、知道蛋白质、糖类、油脂、维生素与人体健康的关系,并了解它们在食物中的存在及其作用;
2、了解人体的元素组成,了解某些元素对人体健康的重要作用;
3、了解人体中元素的存在形式,知道常量元素与微量元素。
4、了解有害的元素对人体的危害。
5、了解有机合成材料
6、知道复合材料
课标要求
1.了解六大类营养素的食物来源
2.知道膳食平衡
3.记住有损人体健康的物质
4.理解微量元素和常量元素
5.理解化学元素与人体健康
6.了解有机合成材料
7. 了解白色污染
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