本文是作者在学习生物新课标的基础上,尝试使用饮料瓶为主要材料,自制教学具和发动学生制作学具,利用制成的教学具进行模拟实验,以促进概念教学的做法和思考。文章主要从自制教具,提供丰富事实;制作学具,促进建立理解;二具合一,实现螺旋发展等三个方面进行阐述。 Based on the new curriculum standard for biology, this article attempts to use the beverage bottle as the main material, make the teaching tool and start the students making the learning tools, and use the made teaching tools to simulate the experiment to promote the practice and thinking of the concept teaching. The article mainly elaborates three aspects: self-made teaching aids, providing rich facts, making learning tools, promoting understanding of the establishment, combining two with one, and achieving spiral development.