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小学《自然》第三、四、五册教材中增编了星座知识,要求教师指导学生认识“猎户”、“大犬”、“小犬”、“金牛”“大熊”、“小熊”、“飞马”、“仙后”、“仙女”等星座。有不少教师自己认不到星座,教学时只好照搬书本,这就难以指导学生认识星座的实践。因此教师必须学一点星座知识,学会辨认四季主要星座以及行星。学认星座难吗?回答是:“不难”。没有留心观察过星空的人,总以为天上星星数不清,排列又不规则,太难区分了。其实,人的肉眼能看见的星星只有六万七千颗,由于昼夜关系,每晚仅能
Constellation knowledge has been added to the third, fourth and fifth textbooks of “Nature” in primary school, requiring teachers to guide students in understanding the concepts of “Orion,” “Big Dog,” “Puppy,” “Taurus,” “Big Bear,” “ Horse ”,“ Fairy ”,“ fairy ”and other constellations. Many teachers do not recognize their own constellations, teaching only copy books, it is difficult to guide students to practice constellation. Therefore, teachers must learn a little constellation of knowledge, learn to identify the main seasons constellations and the planet. Learn Constellation is difficult? Answer: “not difficult.” People who have not watched the stars have always thought that there are countless stars in the sky, irregular arrangement, and too difficult to distinguish. In fact, the human eye can see only 67,000 stars, because of the relationship between day and night, only nightly