论文部分内容阅读
【课例】在《两小儿辩日》一课中,两小儿提出了各自的问题。一个小孩说:“太阳刚出来时大如车盖,到了中午小如盘盂,这不是远处的小而近处的大吗?”另一个小孩说:“太阳刚出来时清凉,到了中午热得如探汤,这不是近处的热而远处的凉吗?”学习了本文后,学生对两小儿提出的问题疑惑不解。我决定引导学生用课前准备的实验材料(每四人一组,红纸剪制的直径8厘米的“小太阳”两个、一张黑纸、一张浅蓝色纸、一个手电筒)进行实验来解答
[Case] In the “two children debate the day” class, two children raised their own problems. A child said: “The sun just came out as big as the car cover to the small noon as the dish, which is not far from the small and near the big?” Another child said: “The sun just came out cool, It’s not hot in the distance and cool in the distance? ”After studying this article, the students puzzled the questions raised by the two children. I decided to guide the students to use the experimental materials prepared in advance (one set for every four persons, two “8 cm diameter” Little Sun "cut out of red paper, one black paper, one light blue paper and one flashlight) Experiment to answer