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农村小学的自然课教学,应因地制宜,自制一些简易的教具,把一些抽象枯躁的内容教活,使之形象具体,生动有趣。五年制小学自然第五册第十五课“探索月亮的秘密”有幅月相成因示意图。教学中,有个学生提出:“示意图中怎么会有那么多的月亮,而且分成两圈,形状又不相同?”于是,我依照教参向学生解释道:外圈的月亮,表示月亮在公轨道上的不同位置;内圈的
Rural primary school teaching of nature should be based on local conditions, some simple self-made teaching aids, some of the abstract impatient content to teach and live so that the image of concrete, lively and interesting. Five-Year Primary Five, Part V Lesson 15, “Exploring the Secret of the Moon,” is a schematic illustration of the causes of the moon phase. In teaching, a student put forward: “How can there be so many moons in the sketch, and divide into two circles, the shapes are not the same?” Then I explained to the students according to teaching and learning: the moon in the outer ring indicates that the moon is in the public Different positions on the track;