一、提出问题随着课程改革的深入,化学课程与课堂正在转型,中学化学教学在教学理念、方法、模式上发生了巨大变化。一些研究表明:学生对于化学学习感到困难的,并非是化学基础知识和基本概念等方面的不足,而是对解决化学问题感到束手无策。这表明学生在解决化学问题方面能力明显不足。20世纪70年代关于“问题解决”的研究开始显现,世界上的许多国家和地区在其学校教育的纲领性文件中都明 First, ask questions With the deepening of curriculum reform, chemistry courses and classrooms are in transition, chemistry teaching in high school teaching philosophy, methods, patterns have undergone tremendous changes. Some studies show that students who are having difficulty in chemistry learning are not short of basic knowledge of chemistry and basic concepts, but are rather helpless in solving chemical problems. This shows that students are obviously less capable of solving chemical problems. Studies on “problem solving ” started to appear in the 1970s, and many countries and regions in the world are in the programmatic documents of their school education