每个学生都可以依据由各自设计的实验方案进行实验,并根据自己观察的结果,绘制出示意图.整个研究过程中都是学生自主的在进行探索和实验操作,而教师只是起着引导和组织的作用,并努力营造和谐的研究讨论学习气氛.学生得出研究结论后教师要作出简要的点评,肯定那些优秀者的同时也要指出那些不足者的缺点所在.这样才能有效地提升全体学生的综合能力. Each student can experiment according to the experiment scheme designed by each student and draw a sketch map according to the result of their observation.The students are autonomous exploring and experimenting during the whole research process, , And strive to create a harmonious study to discuss the learning atmosphere.Students come to the conclusion of the study teachers should make a brief comment, affirming those who are outstanding at the same time also pointed out the shortcomings of those who lack, so as to effectively enhance the Comprehensive ability.