“铁”一章在全书中处于承上启下的地位,铁虽然是初中化学系统介绍的第一种金属,但也是人们日常生活中司空见惯的一种金属,根据其特点,运用下面“六抓”学习“铁”的有关知识,除能让同学们在学习过程中感觉到轻松外,还能使这些铁知识在同学们的头脑中留下系统化、深刻化的印象· The “Iron” chapter is in the position of the link between the book and the iron and steel. Although iron is the first metal introduced by the junior high school chemistry system, it is also a common metal in people’s daily life. According to its characteristics, it uses the following “six catches” to learn " The “iron” knowledge not only allows the students to feel relaxed during the learning process, but also enables these iron knowledge to leave a systematic, deep impression on the students’ minds.