中学化学有效数字教学建议

Suggestions on Significant Figures Teaching of High School Chemistry

通过一则教学案例反映中学化学有效数字教学的薄弱,强调客观、正确、合理地使用有效数字是化学工作者必备的基础素质之一,探讨了学生不规范记录和处理数据的现象及原因,并提出相应的改进措施。

This paper revealed the weakness of high school chemistry significant figures teaching through a teaching case, emphasized that objective, correct, and proper use of significant figures was one of the basic qualities necessary for all chemistry practitioners. Besides, this paper discussed the phenomena and reasons for students’ non-standard recording and processing of data, and then put forward some improvement measures.