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今年7月,全球19个国家的185名教师参加美国霍尼韦尔太空学院的教师培训,上海3名教师有幸入选。活动旨在为教师提供新的专业技能和教学技巧。一次,培训人员端来一大盆水,里面有棉花、沙石甚至头发,还发了活性炭、碳酸钙制剂、可乐罐等材料,任务是净化这盆水。净化水实验是初中化学最常见的实验之一,两位中国
In July this year, 185 teachers from 19 countries around the world attended teacher training at the Honeywell Space Academy in the United States. Three teachers in Shanghai were lucky enough to be selected. The activity aims to provide teachers with new professional skills and teaching skills. Once, trainers come to a large basin of water, there are cotton, sand and even hair, but also made activated carbon, calcium carbonate preparations, Coke cans and other materials, the task is to purify this pot of water. Purified water experiment is one of the most common experiments in junior high school chemistry, two in China