“在测量植物时,同一棵植物,下一周的测量结果和前一周相比较,非但没长高,反而变矮了。这是为什么呢?大家猜测了很多可能的原因,最后发现是因为没有盯住同一部位进行测量,测量的部位变了,结果自然就没有可比性。吸取教训后,我们在测量部位做上记号,这样就不会搞错了。”这是上海市沙田学校的学生方涛,在观察亲手种植的植物时,记录下来的问题和解决方案。 “When measuring plants, the same plant, the next week’s measurements compared with the previous week, not only did not grow taller, but shorter. Why is this? We guess a lot of possible reasons, and finally found that because there is no When we take a peek at the same place and make a measurement, the measurement site has changed, and the result is naturally not comparable. ”After learning the lesson, we marked the measurement site so that we would not make a mistake.“ ”This is a student from Sha Tin School in Shanghai Fang Tao, in the observation of hand-grown plants, the problems recorded and solutions.