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一、活动内容观察过水涵洞的构造、认识其作用.二、活动目的1.认识过水涵洞的构造,理解连通器原理.2.了解过水涵洞的建设史,增强集体主义观念,认识人类征服自然,改造自然的能力.3.培养学生节约用水,爱护水资源的意识.4.通过观察、了解,培养学生分析和创新能力.三、活动时间(4小时)
I. Content of the activity Observed the structure of the water culvert and recognized its role. Second, the purpose of the activity 1. Recognize the structure of the water culvert and understand the principle of the communicator. 2. Understand the construction history of the water culvert, enhance the concept of collectivism, and recognize humanity. Conquering nature, transforming nature’s ability. 3. Cultivating students’ consciousness of saving water and protecting water resources. 4. Observing and understanding, cultivating students’ analytical and creative abilities. III. Activity time (4 hours)