初中是化学教学的起步阶段和基础阶段,对于培养学生严谨的科学习惯起着至关重要的作用。化学实验是学习化学的重要形式和内容,是学生获得知识的重要手段,也是训练学生、引导学生进入化学殿堂的必经之路。化学是以实验为基础的自然学科,实验是学生获取知识、进行知识创新的重要手段,是培养学生的科学兴趣、科学态度、提高学生科学能力 Junior high school chemistry teaching is the initial stage and the basic stage, for students to rigorous scientific habits plays a crucial role. Chemistry experiment is an important form and content of learning chemistry, is an important means for students to acquire knowledge, but also the only way to train students and guide students to enter the chemistry hall. Chemistry is a natural science based on experiment. Experiment is an important means for students to acquire knowledge and innovate knowledge. It is to cultivate students ’interest in science, scientific attitude and students’ scientific ability