2011年12月16日星期五晴今天,老师在课堂上给我们做了一个有趣的实验:让鸡蛋在水杯中沉着、悬着和浮着。老师把3只杯子都装进了水,水面大约离杯沿1厘米。首先,老师拿出第一枚鸡蛋,饶有风趣地说:“鸡蛋,鸡蛋,你就沉到杯底吧!”当老师把手一放,那枚鸡蛋真的沉入杯底,一动不动了。接着,老师又拿出第二枚鸡蛋,煞有介事地给鸡蛋吹了一口气,说:“鸡蛋,鸡蛋,你就悬浮在水中吧!”我听 Friday, December 16, 2011 Clear today, the teacher gave us an interesting experiment in the classroom: Let the eggs in the cup calm, hanging and floating. The teacher put three cups into the water, the water about 1 centimeter away from the cup. First of all, the teacher took out the first egg, funny to say: “eggs, eggs, you sink to the bottom of the bar!” When the teacher put his hand, the egg really sink into the bottom, motionless It’s Then, the teacher took out the second egg again, blowing a fuss about the egg, saying: “Eggs, eggs, you are suspended in the water!”