教材简析:《活化石》是人教版语文二年级上册第八组以“爱科学,学科学”为主题的一篇科普短文。课文以浅显的语言介绍了三种古生物活化石:世界上最古老的树种之一的银杏树,中国的国宝大熊猫,稀有的鱼种中华鲟。学习本课,一方面要让学生了解一些古生物知识,另一方面要培养学生的阅读能力和搜集信息的能力,增强他们关注科学、保护珍稀动植物的意识。低年级学生好奇心强,求知欲旺盛,充满着对新鲜事物的敏感与好奇,具有极其丰富的想象力。教师在教学时,要采用自主、合作、探究的形式,以学生为主体,通过多种形式的朗读,以读促思,读中感悟,在读中体会活化石的趣味性,引发学生 Teaching material analysis: “living fossils” is the second edition of the Chinese version of PEP eighth group to “love science, science” as the theme of a popular essay. The text introduces three paleontological living fossils in plain language: Ginkgo biloba, one of the oldest tree species in the world, China's national treasure giant panda, and rare species of Chinese sturgeon. On the one hand, students should understand some paleontological knowledge. On the other hand, they should develop students' ability to read and collect information, and enhance their awareness of science and the protection of rare animals and plants. Junior students are curious, curiosity, full of sensitivity and curiosity to new things, with extremely rich imagination. Teachers in teaching, we should adopt the form of autonomy, cooperation and exploration, with students as the main body, through various forms of reading, to read and thinking, reading sentiment, reading experience fossil interest, triggering students