教材作为包含和呈现学科知识的载体,是一种重要的课程资源。教材内容并不是学科知识的简单罗列,学生所要学习的科学知识,包括科学方法、思想教育和能力培养的内容都蕴含其中。因此,需要教师在把教材应用于教学中时,要善于发掘教材内容,对知识进行恰当的梳理、提炼、整合、迁移的分层处理,会使学科知识的传授更扎实、 Teaching materials as a vehicle to contain and present subject knowledge is an important curriculum resource. The content of teaching materials is not a simple listing of subject knowledge, and the content of scientific knowledge, including scientific methods, ideological education and ability cultivation, students want to learn are all contained. Therefore, when teachers need to apply the teaching materials in teaching, they should be good at discovering the contents of the teaching materials, stratifying the knowledge appropriately, refining, integrating and migrating, which will make the impartation of subject knowledge more solid,