农村中学教学设施设备还比较落后,离城镇中学的规范化学校的教学水平还有一定的距离。所以,教师要利用有限的教学资源,设计一些与生活息息相关的教学实验,创建一个活跃的课堂教学环境,激发学生的学习兴趣,调动学生学习的积极性和主动性,培养学生的创新能力和探究能力,提高课堂教学效果。 Rural middle school teaching facilities and equipment are still relatively backward, from the standardization of urban secondary schools, the teaching level there is a certain distance. Therefore, teachers should make use of limited teaching resources to design some teaching experiments that are closely related to life, to create an active classroom teaching environment, to stimulate students ’interest in learning, to arouse the enthusiasm and initiative of students in learning and to cultivate the students’ ability of innovation and exploration , Improve classroom teaching effect.