新课程改革背景下的课堂教学,以培养学生的学科素养、提高学生能力为目的。化学课堂教学应遵循学生的认知发展规律,激发学生的学习兴趣,创设问题情境,引导学生进行自主、合作探究,提高学生自学能力和分析解决问题的能力。“课堂要由讲堂变为学堂,学生要由被动变为主动。”新课程改革背景下的课堂教学同样对学生提出了更高的要求。在有限的时间内掌握知识、提高能力,需要已有知识的支撑,更需要对本节 The new curriculum reform in the context of classroom teaching, in order to cultivate students ’academic quality, improve students’ ability for the purpose. Chemistry classroom teaching should follow the law of students’ cognitive development, stimulate students’ interest in learning, create problem situations, guide students to conduct autonomous and cooperative research, enhance students’ ability of self-study and analyze and solve problems. “Classroom by the auditorium into a school, students from passive to active. ” The new curriculum reform in the context of classroom teaching also put forward higher requirements for students. In a limited period of time to master knowledge and improve ability, you need to have the support of knowledge, but also need this section