伟大的捷克教育家夸美纽斯曾经说过:“可以为教师们找出一条金科玉律。在可能范围以内,一切事物都应该尽量地放到感官跟前。”这是因为生动、形象的直观教学有助于引起学生的注意力,激发学生的兴趣,更重要的是能利用学生的多种感官和已有的经验,通过各种形式的感知,丰富学生的直接经验和感性知识,使学生获得生动的表象,弥补中小学生在这个年龄阶段上抽象思维的不足,从而比较全面、深刻地掌握知识,有效地保证课堂教学 The great Czech educator Comenius once said: “You can find a golden rule for teachers. Within the scope of possible, everything should be as far as possible to the senses.” This is because vivid and visual teaching has Helping to draw students’ attention and stimulating students’ interest. More importantly, they can use students’ multiple senses and existing experiences to enrich students’ direct and perceptual knowledge through various forms of perception. The appearances make up for the lack of abstract thinking of primary and middle school students at this age, so that they can grasp knowledge more comprehensively and profoundly and effectively guarantee classroom teaching.