一、查找资料,初步了解水电知识学生六个人为一组,自主到图书馆或上网查找有关资料,活动时间为一节课。然后以小组为单位把收集到的有关信息归纳整理,交流展示。甲组:我们通过上网知道了水电是与人们生活息息相关的重要能源,它们都是很有限的。乙组:通过查找资料,我们知道了中 First, find information, a preliminary understanding of hydropower knowledge six people as a group, autonomy to the library or Internet to find relevant information, activity time for a class. Then the group as a unit to collect the relevant information summarized, exchange and display. Group A: We know through the Internet that hydropower is an important energy source that is closely related to people's lives. All of them are very limited. Group B: By looking for information, we have learned