“弱”教材理念,就是通过对教材的深度开发,把学生探究性学习提前到学生阅读教材之前,让学生在没有教材暗示和引领的前提下,开展探究性学习活动.本文结合苏科版初中物理《物体的质量》的教学进行介绍.一、目标定位1.知识与技能:了解质量的概念,理解质量是物体的一种物理属性.知道国际单位制中的质量单位、常见物体的大致质量.通过阅读说明书,了解天平的结构,学会天平的使用方法.2.过程与方法:体验小组合作,接触理论探究;结合质量的 “Weak ” teaching material concept, is through in-depth development of teaching materials, students inquired learning in advance to the students to read the textbook before, so that students have no teaching materials suggest and lead under the premise of carrying out inquiry learning activities.This article combines Suke First, the target orientation 1. Knowledge and skills: to understand the concept of quality, understanding the quality of a physical attribute of the object.I know the quality of the International System of units, common objects Roughly by reading the manual, understand the structure of the balance, learn how to use the balance .2 process and methods: experience group cooperation, contact theory to explore; combined with quality