刘老师手里提着一个塑料袋。她刚跨进教室,同学们就猜想:里面装着什么呢?是好吃的糖果,还是一本书?刘老师走到讲台上,拿出两个透明的塑料盒和一个鸡蛋。她叫了两个男生去给塑料盒盛水。刘老师说:“我们来做一个实验。”两个男生回来了,手中各端着一盆清水。老师拿出鸡蛋放在一盆清水里,鸡蛋慢慢地向下沉。刘老师摇了摇头,说:“我能变魔术,把鸡蛋浮起来。”刘老师真会变魔术,将鸡蛋浮起来吗?我对这个实验有了兴趣,同学们也半信半疑地看着刘老师。 Liu carrying a plastic bag in his hand. When she just stepped into the classroom, her classmates wondered: what’s inside? Is it delicious candy or a book? Liu went to the podium and brought out two transparent plastic boxes and an egg. She called two boys to plastic boxes filled with water. Liu said: “We do an experiment. ” The two boys came back, each carrying a pot of water. The teacher took out the eggs in a bowl of water, the eggs slowly sinking. Liu shook his head and said: “I can change the magic, the eggs float. ” Liu really magic, the eggs floating up? I have an interest in this experiment, students are also half-heartedly watching Teacher Liu.