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【教材分析】这是教育科学出版社出版的《科学》三年级上册第二单元第5课。继蜗牛、蚯蚓后,这是本单元观察的第三种小动物。对学生来说蚂蚁恐怕是观察最多的动物之一了,学生对蚂蚁都有一些观感,但是不一定具体和全面。本课具有承上启下的作用,不仅需要学生观察、记录,而且要分析、猜测,甚至还要用到绘画,是对学生综合性技能的锻炼。走进大自然是本课的宗旨。【学情分析】1.上一单元《植物》的教学过程中,学生观察过一些常见的
【Textbook Analysis】 This is the fifth edition of the second unit of the third grade of science published by Education Science Press. Following the snail, earthworm, this is the third observation of this unit small animals. Ants for the students probably is one of the most observed animals, students have some perceptions of ants, but not necessarily specific and comprehensive. This course has the function of linking up and down, not only need students to observe, record, but also to analyze, guess, and even use painting, is a comprehensive exercise of the skills of students. Into the nature is the purpose of this lesson. 【Analysis】 1 academic analysis of the last unit “plant” teaching process, the students observed some common