Teaching Reform and Practice in Physical Chemistry Experiment—Taking Determination of Water-Soluble Polymers Relative Molecular Weight by Viscosity Method as an Example
Physical chemistry experiments are an important part of cultivating students'experimental skills,innovative thinking,and scientific research literacy.However,there are currently some problems in the teaching of physical chemistry experiments,which are not conducive to cultivating students'innovative thinking and scientific research literacy.Therefore,taking the viscosity method for measuring the relative molecular weight of water-soluble polymers as an example,a blended teaching mode combining online and offline has been adopted.By changing the experimental content and conditions,different groups of students could conduct different experiments.The practice shows that the blended teaching mode could effectively improve the interest,cooperation ability,and scientific research literacy of students through the implementation design of this experiment.The effective teaching principle of"student-centered and teacher-leading"has been recognized with further improving the quality of experimental teaching.
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