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“渗透现象”是高中生物学课程中的经典演示实验。学生通过观察分析渗透现象认识半透膜的作用,概括出渗透作用的概念和发生渗透作用的2个条件,为了解植物细胞的吸水和失水现象建立了良好的
The “infiltration phenomenon” is a classic demonstration experiment in the high school biology curriculum. By observing and analyzing the effects of the semipermeable membrane, the students summarized the concept of osmotic action and the two conditions in which the osmotic effect occurred, establishing a good understanding of the phenomena of water absorption and dehydration of plant cells.