化学概念是用简练的语言高度概括出来的,常包括定义、原理、反应规律等。在初中化学教材中,基本概念几乎每节都有,而化学概念是学习化学必须掌握的基础知识,准确地理解概念对于学好化学非常重要的。初中学生的阅读和理解能力都比较差,教师在学过程中讲清概念,把好这一关是非常重要和必要的。 Chemical concepts are summarized in concise language, often including definitions, principles, reaction rules and more. In junior high school chemistry textbooks, the basic concepts are almost every section, and the chemical concept is to learn the basics of chemistry must master, accurate understanding of the concept of chemistry is very important for learning. Junior high school students’ ability to read and comprehend is rather poor. It is very important and necessary for teachers to make clear their concepts during their studies.