化学是初中的基础性学科,是一门与生活和工业生产关系都很密切的学科.如何提高初中化学教学的有效性是每个教师都在思索的问题.一、初中化学教学概述初中化学在整个化学知识体系中具有承上启下的特点,是对初中化学知识的深化和提高,也是大学化学知识的基础和关键.化学学习不仅涉及化学学科的教学效果,还会影响学生对医学、生物、物 Chemistry is a basic subject in junior high school and a discipline closely related to life and industrial production. How to improve the effectiveness of junior high school chemistry teaching is a question every teacher is thinking. The whole chemistry knowledge system has the characteristics of inheritance, which is the deepening and improvement of junior high school chemistry knowledge, and also the basis and key of university chemistry knowledge.Chemical learning not only involves the chemistry teaching effect, but also will affect the students to the medicine, the biology, the material