河北版《科学》三年级上册第14课的教学中,我上了一节《纸飞翼》。我首先了解学生们对纸的一些认识,让他们说说用纸可以做些什么。女同学喜欢用纸折纸鹤和花样,而男学生通常用纸折纸飞机和纸船,一张纸折的飞机在空气中运动受到了空气的升力,就会产生不同的效果。而像课本所画的 Hebei version of “Science” third grade Volume 14 teaching, I went to a section of “paper flying wing.” I first understand what students know about paper and let them talk about what can be done with paper. Female students prefer paper origami cranes and patterns, while male students usually use paper origami planes and paper boats. A folded paper airplane that has been subjected to airlift movements in the air will have different effects. And like the textbook painted