一、激情导入 科学就是“积累事实,发现规律”。自然教学就是指导学生搞科学——寻求自然规律,探究科学方法;就是培养学生的科学思想,提高学生的科学素质。这种教学任务其他学科无法替代。现行的自然教学绝大多数是在课堂上进行,缺乏客观自然环境、自然事物与真实氛围。教师首要的任务就是要想方设法创设自然情景与学习氛围,新颖、激趣的导入十分关键,教师应根据不同的内容、不同 First, passion into science is “accumulation of facts, discovery of law.” Natural teaching is to guide students to engage in science - to seek laws of nature, to explore scientific methods; is to develop students' scientific thinking and improve the scientific quality of students. This teaching task can not be replaced by other disciplines. The vast majority of the current natural teaching is conducted in the classroom, the lack of objective natural environment, natural things and real atmosphere. Teachers first task is to find ways to create a natural scene and learning atmosphere, new, interesting introduction is crucial, teachers should be based on different content, different