疫情背景下“环境监测”课程开展线上对分教学实践研究

Research Split Teaching Online about Environmental Monitoring Course under the Background of the Epidemic

“互联网+”教育时代的到来,深刻推动了教育教学方式的变革;全国疫情持续反复的现状,促进了混合式教学模式的发展。以高职“环境监测”课程纳氏试剂分光光度法测定水和废水中氨氮为例,采用隔堂对分的教学模式,将实操部分按线上和线下教学分开设计,有效提升了学生的课堂参与度,以及实践课的动手操作能力和思辨力。在教学开展后的满意度调查中,非常满意和满意的学生比例达到93.7%。结合信息化教学,对分课堂在实验实训课程的应用中,形成了线上重理论、线下重实践、理论与实践并重的创新教学模式。

The advent of the“Internet+”education era has profoundly promoted the reform of education and teaching methods;The current situation of the continuous and repeated epidemic situation in the country has affected the normal return of various colleges.Take the Environmental Monitoring course of higher vocational education—Determination of Ammonia Nitrogen in Water and Wastewater by Nessler’s Reagent Spectrophotometry as an example,adopt the teaching mode of split classroom,and design the practical part separately according to online and offline teaching,which effectively improve students’classroom participation,the teaching mode of divided classrooms is adopted,in the satisfaction survey after the teaching was carried out,the proportion of very satisfied and satisfied hands-on ability and thinking ability in practical courses.Combined with informatization teaching,in the application of the two-part classroom in the experimental training course,an innovative teaching mode that emphasizes online theory,offline practice,and both theory and practice has been formed.