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提高学生学习生物的积极性是高中生物教学中永恒的目标之一。高中生物必修一第六章第一节《细胞的增殖》中,“有丝分裂”的知识点本节的重点和难点。传统的讲授法难以提高学生的学习热情,从而给该部分内容的教学造成了很大的困难。本文从“有丝分裂”的特点着手,提出以实验作为兴趣的引子,通过动手操作,实物观察的切身体验,激发学生学习“有丝分裂”的兴趣,为后面的理论教学进行了良好的铺垫。
Improving students’ enthusiasm for learning biology is one of the eternal goals in high school biology teaching. High school biology compulsory a sixth chapter first section “cell proliferation”, “mitosis,” the knowledge point of this section focus and difficulty. The traditional teaching method is difficult to improve students’ enthusiasm for learning, which has caused great difficulties in the teaching of this part. This paper starts from the characteristics of “mitosis ” and puts forward that using experiment as the guide of interest, through the hands-on experience of physical observation, stimulates students’ interest in studying “mitosis ” and paves the way for the following theoretical teaching .