2015年10月24日晴我是《城市信报》的小记者勾一凡。2015年10月24日,在这收获的金秋,郑老师和刘老师等四位老师带我们参观了青岛水务集团,学习与水有关的知识。在青岛水务集团,我看到一些净化水的大型设备,还做了几个关于纯净水和自来水的小实验。这些实验告诉我,纯净水不导电,而自来水会导电;如果在纯净水里面加一勺盐,那么 October 24, 2015 Clear I am a small reporter of “City Letter”. On October 24, 2015, during the golden harvest of this year, four teachers, including teacher Zheng and teacher Liu, visited Qingdao Water Group to learn water-related knowledge. At Qingdao Water Group, I saw some large-scale equipment for water purification and a few small experiments on pure water and running water. These experiments tell me that pure water is not conductive and tap water is conductive; if you add a spoonful of salt in pure water, then