化学是以实验为基础的一门学科,在教学中必须充分重视实验,运用实验去提高学生的学习兴趣。学习兴趣是构成学习动机最活泼的心理成分,是学习动力最重要的源泉。因此,激发兴趣、提高兴趣、保持兴趣是教学成败的关键。实验教学可以帮助学生形成化学概念、获得化学知识和实验技能,提高学生 Chemistry is a discipline based on experiment. In experiment, we must attach great importance to experiment and use experiment to improve students’ interest in study. Learning interest constitutes the most active psychological element of learning motivation and is the most important source of learning motivation. Therefore, to stimulate interest, improve interest and maintain interest is the key to teaching success. Experimental teaching can help students to form a chemical concept, obtain chemical knowledge and experimental skills, improve students