“线上线下-虚实结合”在有机化学实验教学中的应用探索——以正溴丁烷的制备实验为例

doi:10.3866/PKU.DXHX202008025

Abstract

Abstract:

In response to the impact of the Covid-19 epidemic on organic chemistry laboratory teaching, this article analyzes and discusses the current limitation of traditional organic chemistry laboratory teaching. Taking the "preparation of n-bromobutane" as an example, a new "online-offline and virtual-actual combination" teaching mode with the combination of "Tencent Meeting, MLabs, laboratory and WeChat group" is introduced. The practice of the new mode of teaching includes the following steps: pre-class online guiding by teacher, student preview and practice based on the virtual simulation platform, students and teacher discussion and operation in laboratory, and post-classcomprehensive assessment and Q&A", and good teaching effects have been received. It is significant in cultivating and improving the independent innovation and practical ability, and provides reference for the organic chemistry laboratory teaching reform and also lays a foundation for the construction of "outstanding course" of organic chemistry.

Key words: Organic chemistry laboratory, Virtual simulation experiment, On-line teaching, Off-line teaching, Tencent Meeting, WeChat group

MSC2000:

Yonghong Zhang, Bin Wang, Weiwei Jin, Yu Xia, Chenjiang Liu. Application and Exploration of "Online-Offline and Virtual-Actual Combination" in Organic Chemistry Laboratory Teaching: Taking the "Preparation of n-Bromobutane" As an Example[J].University Chemistry, 2020, 35(12): 180-186.

Figures/Tables 5

References 16

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Application and Exploration of "Online-Offline and Virtual-Actual Combination" in Organic Chemistry Laboratory Teaching: Taking the "Preparation of n-Bromobutane" As an Example

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