“观察——实验——研讨——运用”,作为自然科目标课堂教学规程,有利于激发学生学习的主动性和实现教师主导作用和学生主体功能的有机统一,同时,能较好地培养学生的创新素质。观察——强调让学生自己去观察事物、现象,去发现问题。实验——放手让学生自己去 “Observation - Experiment - Seminar - Application”, as a natural subject teaching schedule, is conducive to inspire students to learn initiative and achieve the leading role of teachers and students the main function of the organic unity, and can better train students Innovative quality. Observe - Emphasize that students should observe things and phenomena on their own to identify problems. Experiment - let the students go by themselves