Discussion on the Problem-oriented Online and Offline Mixed Teaching Mode of"Chemical Foundation"in Higher Vocational Colleges——"Chemical Reaction Rate and Chemical Equilibrium"
Chemical reaction rate and chemical balance was used to be a teaching case.The purpose of online teaching before class was the pre-liminary cognition and transmission of knowledge.The off-line teaching in-class was operated to realize the understanding,application and in-depth cognition of knowledge.The online teaching after class focused on the transfer of knowledge and the realization of higher cognitive goals.The results of the teaching showed that the interaction between students and teachers,the degree of problem exchange and discussion and the ability to solve problems were improved.The ability of autonomous learning,mastery and application of knowledge,and the students'per-formance were also raised.
Problem TeachingChemical FoundationMixed Teaching ModeTeaching Evaluation
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