初中化学仅在九年级开设,学习、复习、考试三个环节交错进行,大多数教师在日常的课堂教学中过度重视的是知识的传授,轻视学生的问题意识,使得学生很少提问题、不善于提问题、很难提出有价值的问题,从而抹杀了学生的个性和特长的发展。面对这种严峻的挑战,为了使教师的教学方式适应学生学习方式的变化,同时也为学生在高中阶段学习化学打下必备的基础,激发学生学习化学的兴趣和热情,培养学生较强的问题意识,能够发现、提出有价值的问题,创设丰 Junior high school chemistry is only established in the ninth grade. Learning, reviewing, and testing are intertwined. Most teachers pay too much attention to the imparting of knowledge in daily classroom teaching. They disregard student’s problem awareness and make students seldom ask questions. Being good at asking questions, it is difficult to ask valuable questions, thus obliterating the development of students’ personality and specialty. Faced with this severe challenge, in order to adapt the teaching methods of teachers to the changes in students’ learning methods, and also to lay the necessary foundation for students to study chemistry in high school, to stimulate students’ interest and enthusiasm for learning chemistry, and to cultivate students’ strong Problem awareness, ability to discover and raise valuable issues