瓶子也会吹气球?别惊讶,这绝不是天方夜谭,而是我们亲眼见证过的一个科学小实验。周五下午科学课,老师提着一个小篮子走进了教室。今天肯定要做实验了!就在我们欢呼雀跃的时候,老师从小篮子里依次拿出了一袋小苏打、一瓶米醋、一个气球、一张纸片,最后掏出了一个废弃的矿泉水瓶。“啊?这是什么实验?”“怎么 Bottle blowing balloon? Do not be surprised, this is by no means a fantasy, but we witnessed a scientific experiment. Science class Friday afternoon, the teacher walked into the classroom with a small basket. Today we must experiment! Just as we cheered, the teacher took out a small bag of baking soda, a bottle of rice vinegar, a balloon, a piece of paper from the little basket, and finally took out an abandoned mineral water bottle. ”Ah? What is this experiment? “ ”How