一、设计背景现代认知心理学认为,认知学习呈等级性或累积性的规律,任何学习都必须在一定的学习准备的前提下进行.2002年9月起,江苏省小学3~6年级正式推广使用教育科学出版社的《科学》课程,对比初中《物理》教材和小学《科学》教材,我们发现初中物理中的声、光、热、电、磁、力、机械和能量等内容在小学科学课程都已有涉及.“磁体与磁场”是苏科物理九下第十六章第一节的内容,笔者在“磁体与磁场”一节中,研究了小学《科学》教材,基于学 First, the design background Modern cognitive psychology that cognitive learning was hierarchical or cumulative law, any study must be prepared under the premise of a certain start in September 2002, primary and secondary schools in Jiangsu Province 3-6 To formally promote the use of the “Science” course of Educational Science Press and compare the “Physics” textbook of junior high school and the “Science” textbook of primary school, we found that the contents of sound, light, heat, electricity, magnetism, force, machinery and energy in junior middle school physics are Primary science courses have been involved. “Magnetism and magnetic field ” is the first section of the sixteenth chapter of Suke Physics Nine, the author in the “magnet and magnetic field” section, the study of primary “science” Textbooks, based on learning