化学是以实验为基础的科学 ,实验是培养和提高学生动手动脑能力 ,提高学生素质的根本所在。化学教师应充分发挥实验的优势 ,使化学课变成动手动脑课 ,变成实践课 ,使学生愿意学习、主动学习 ,把探讨问题、钻研知识当做乐事去做 ,减去不必要的课业负担 ,真正做到减负增效 Chemistry is based on experimental science, experiment is to cultivate and improve students’ abilities to use the brain, improve the quality of students. Chemistry teachers should give full play to the advantages of the experiment so that the chemistry lesson can be turned into a hands-on brain lesson, a practical lesson, so that students are willing to learn and take the initiative to learn, to explore the issue, to study knowledge as a pleasure to do, minus unnecessary academic burden, Truly reduce burdens and efficiency