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瓶子“吞”蛋?这是什么把戏?别急,我们这就请鲁老师示范一次,大家要看清楚哦!实验材料:硬质饮料瓶(500 mL左右的容量)、鹌鹑蛋(蛋的大小以正好能放在瓶口上为宜)、热水.操作步骤:1.将鹌鹑蛋用水煮熟并剥掉蛋壳.2.往饮料瓶中倒入温度约为60℃的热水(水的温度不宜过高,否则饮料瓶会变形),充分摇晃饮料瓶后,把热水倒掉.3.将鹌鹑蛋小头朝下迅速放在饮料瓶瓶口(一定要用鹌鹑蛋把瓶口塞紧,中间不能有缝隙,如图1),观察实验现象.
Bottle, “swallow ” egg? This is what the trick? Do not worry, we ask this teacher Lu demonstration once, we must see clearly! Experimental materials: hard drink bottles The size of the bottle just to be able to put on the appropriate), hot water. Steps: 1. The quail eggs boiled and peeled eggshell .2 into the beverage bottle into the temperature of about 60 ℃ hot water ( The temperature of the water should not be too high, otherwise the beverage bottle will be deformed), shake the beverage bottle, the hot water drained .3. Quail egg head down quickly on the bottle neck (must use a quail egg bottle Tight mouth, the middle can not have a gap, as shown in Figure 1), observe the experimental phenomenon.