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高中生物课内容比较抽象,有些内容很难,而学生的初中生物知识又极度欠缺,这给教学带来很大难度。如何让这样的高中生物课变得生动有趣,是高中生物教师必须钻研的问题。经过几年的摸索,我找到一些方法一成不变的教学方法只会让学生厌倦,最终失去听众。以下是我的几点体会:一、巧用比喻化疑难。细胞膜的结构像花生糕:花生米像蛋白质分子,爆米花像磷脂分子,花生米以不同的深度覆盖、镶嵌或贯穿于其中。糖类和ATP比喻成家里的粮食和口袋里的现金;高温和低温对酶的影响比喻成人死了和睡着了。
High school biology class content is more abstract, some content is difficult, and students of junior high school biology knowledge and extreme lack of teaching to bring great difficulty. How to make such a high school biology lesson becomes vivid and interesting is that high school biology teachers must study the issue. After years of exploration, I found some methods of teaching a static approach will only make students tired, eventually losing audience. The following is my experience: First, clever use of analogy difficult. The structure of the cell membrane like peanut cake: peanuts like protein molecules, popcorn like phospholipid molecules, peanuts covered with different depths, inlaid or through them. Sugar and ATP analogy into the home of food and pocket cash; high temperature and low temperature on the enzyme metaphor adult death and asleep.