良好的教学环境是提高教学效率的必要条件,它能使学生的主观能动性得到最大的发挥。苏科版自然教材(以下简称“教材”)的编写以学生为中心,以学生活动为主线,力求使教学内容贴近大自然,将学生置身于认识世界探求知识的氛围之中,“真刀实枪”地搞科学。尤其是一些表现科学、技术、社会相互关系的综合性课题把学生带入特定的 A good teaching environment is a necessary condition to improve teaching efficiency, which can make students' subjective initiative play the greatest role. Suke version of the natural textbook (hereinafter referred to as “textbook”) compilation of student-centered, student activities as the main line, and strive to make teaching content close to nature, the students exposure to the world to explore knowledge atmosphere, Gun "to engage in science. In particular, a number of comprehensive subjects that show the interrelationship between science, technology and society bring students into specific