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近三年来,我在培养初中学生的实验能力方面做了以下几方面的工作. 1 认真做好演示实验 对于每一个演示实验我都认真准备,讲清实验目的、介绍仪器的使用方法,并引导学生注意:观察什么现象?要记录什么数据?再把观察到的现象或记录的数据进行分析、处理,得出正确的结论.有时为了更好地阐明教材中的有关问题.还适当地增加了演示实验的内容.某些演示实验还让学生在教师的指导下自己上讲台演示给全班同学看(如测量大气压数值的托里拆
In the past three years, I have done the following aspects in cultivating junior high school students’ experimental ability. 1 Do a good job of demonstration experiment I will carefully prepare for each demonstration experiment, clarify the purpose of the experiment, introduce the use of the instrument, and guide Student’s Note: Observe what phenomenon? What data should be recorded? Analyze and process the observed phenomenon or recorded data to arrive at a correct conclusion. Sometimes, in order to better clarify the relevant issues in the textbook, it is also appropriately increased. Demonstration of the content of the experiment. Some demonstration experiments also allow students to present themselves to the podium for the whole class to watch under the guidance of the teacher (such as measuring the atmospheric pressure value of Torrid