生物学是一门以实验为基础的自然学科,中学生物学实验教学不仅是重要的直观教学手段,更是培养学生探究能力与创新精神的主要渠道。近年来,无论是人教版课程标准生物学教材,还是上海二期课程改革的生命科学教材中,学生实验的数量都大幅度增加,对实验技能的要求也显著提高。因此, Biology is a natural science based on experiment. Experimental teaching of biology in middle school is not only an important means of visual teaching, but also a main channel for cultivating students’ exploring ability and innovative spirit. In recent years, whether it is the PEP standard biology textbook or the life science textbook of the second phase of the Shanghai PISA curriculum reform, the number of experimental students has greatly increased, and the requirements for experimental skills have also been significantly raised. therefore,