很多教师在讲大气压强时,为了使课堂生动有趣,都要做一个广口瓶吞鸡蛋的实验.其具体方法是:取广口瓶1个,在瓶底铺一些沙子,用棉花蘸酒精点燃放入瓶内,然后迅速将煮熟并剥了壳的鸡蛋放在广口瓶瓶口,此时,鸡蛋就会在大气压的作用下被压入瓶内. Many teachers in speaking of atmospheric pressure, in order to make the class lively and interesting, have to do a wide-mouth swallow eggs experiment, the specific method is: Take a wide mouth bottle, shop some sand in the bottom of the bottle, with cotton dipped in alcohol lit Into the bottle, and then quickly cooked and peeled eggs on the jar mouth, this time, the egg will be under the action of atmospheric pressure into the bottle.