This paper introduces the implement program and significance of the teaching reform of student-centered teaching mode, on the basis of classroom practice in general chemistry laboratory. A complete comparisons between the student-centered teaching mode and teacher-centered teaching mode were carried out in many aspects, such as teaching process, teaching evaluation, teaching implementation effect, etc. The main status of students should be built and all efforts are made focusing the students in student-centered teaching mode. Students can absorb knowledge, improve ability, and cultivate healthy personality by online and offline teaching models, heuristic teaching methods and cooperative learning strategies, which were implemented with the Superstar learning platform. The student-centered teaching mode helps to build a harmonious relationship between teachers and students, cultivate students' scientific literacy and humanistic quality, and promote the all-round development of students.
In order to solve the issues of traditional teaching methods in the undergraduate basic theory course, the blended learning mode was put forward by taking analytical chemistry as an example. With concept of student-centered, personalized teaching, together with assistant means, was introduced to achieve the breakthrough in solving the problems. We hope to reinforce the adaptability and targeting of the course teaching.
The reform of analytical chemistry laboratory teaching model was studied to implement personalized, interactive and intelligent analytical chemistry laboratory teaching, so that students learn to learn, explore, and innovate. Through intelligent teaching model, the efficiency of students' independent learning and the information literacy were enhanced, the dive for study was motivated, the excellence and achievement of teaching, as well as the participation and concentration of students were all effectively improved.
Good textbook is the key to improve curriculums and is instrumental for education of new talents. This book is based on new standard (golden course), targeting enhancement of core student caliber. It divides fundamental medical chemistry laboratory into two modules and four levels, combining online and offline courses. It exhibits the profoundness, innovativeness and challenges promoted by the new standard.
The crop science of Sichuan Agricultural University is an authorized first-class discipline. As the strategic supporting department for innovative talent cultivation in agriculture and forestry major, we are facing a long-term challenge in reforming the teaching mode for basic course-organic chemistry and cultivating talented students with solid basic knowledge and strong sense of innovation. Herein a thorough survey was performing to establish the executable teaching programs for this course during the "Double-First Class Universities Plan" period. A multidimensional teaching resource library for organic chemistry course was also constructed. The new classroom teaching mode "Interest cultivation-Creative thought development-Autonomous and Cooperative learning", along with a stepwise practice teaching mode "Foundation skills-Integrated application-Innovative trial" was proposed and practiced among thirty-five majors including agriculture, forestry and veterinary, to improve the quality for innovative talent cultivation and support our first-class discipline construction. This research could probably serve as a reference for congeneric agricultural university.
As a necessary basic theory course for undergraduates majoring in chemistry, materials, pharmacy, chemical engineering, and biology, physical chemistry plays an important role in cultivating talents to meet the needs of social and economic development. Over the years, the teaching team of physical chemistry of East China University of Science and Technology has carried out the curriculum reform and innovation persistently based on "Team building as the foundation, resource building as the root, mode innovation as the soul, ability training as the origin". This paper will summarize our thinking and experience in striving for the first-class course from the aspects of first-class team construction, first-class resource construction, teaching connotation innovation, teaching mode exploration, and extract the experience that can be used as reference by teaching peers.
Under the background of "double first-class" construction, we embrace the teaching philosophy of "student-centered and goal-oriented" in the physical chemistry teaching process. Through the heuristic teaching model guided by questions, the concepts and laws are elaborated based on the history of scientific development. The frontiers of the discipline and application cases are introduced into teaching, aiming at cultivating students' innovative consciousness and scientific thinking. Through flipped classroom and group discussion, students' self-educated ability and team spirit are developed.
In the analytical chemistry laboratory, students were divided into the experiment group and the control group. We adopted the mixed teaching mode, which highlighted the designing Bloom's cognitive goals for education, as well as blending the flipped classroom and the problem-oriented teaching for the experiment group to explore an appropriate teaching mode, aiming at fostering the ability of lifelong learning mainly based on the self-regulated learning. By contrast, the traditional teaching mode was used in the control group. At the end of the course, the effect of the mixed teaching mode was evaluated according to interviews, messages on the teaching platform and the unified test. The results showed that the teaching effect of the mixed teaching mode was better. Moreover, all the students of the experiment group preferred the mixed teaching mode. The teaching practice proved that it was favorable for students to set study goals and build the corresponding self-regulated learning strategies.
Massey University is a world-leading university in remote-instruction, online and mixed teaching based on the Stream teaching platform. This paper analyzed the advantages of the Stream teaching platform, resource utilization, course format, teaching team cooperation and course evaluation in Massey University. The paper also analyzed the enlightenment of teaching experience of Massey University to undergraduate teaching. During the outbreak of COVID-19 epidemic, drawing on Massey's experience, combined with the rapid development of information technology in China, the teaching team of organic chemistry adopted the multi-teaching strategy of "teacher-centered and student-centered", and the teaching mode of "teacher-led and self-taught by students". The online teaching practice of organic chemistry was carried out in agriculture university. It has been demonstrated that this model can effectively improve teaching effects.
With the rapid development of new energy industry, many universities have launched comprehensive experiments about preparation, characterization, battery assembly and performance testing of lithium-ion battery materials, and have achieved good teaching results. However, due to the limitations of equipment cost and experimental time, it is impossible to meet all experimental needs. We use virtual simulation technology to make students familiar with the basic operation skills of electrochemical experiments and the use of related instruments. Through the virtual experiment about the complete process of lithium-ion batteries including preparation of positive electrode materials, assembly of and performance testing during, we established a new teaching model of online and offline integration and improved the experiment efficiency and success rate in actual operation. At the same time, this model broaden students' vision and cultivate students' practical ability and innovative awareness.
First-class course construction is the foundation of first-class undergraduate education construction. Based on the understanding of the "Two properties and one degree" standard of first-class course, key characteristics of the first-class course construction are summarized as accurate positioning, clear teaching goals, good construction foundation, advanced pedagogy, first-class construction, remarkable effectiveness and preferential demonstration. Taking the construction of first-class physical chemistry course in Shandong University as an example, the course orientation, the determination of teaching objectives and the design and implementation of the teaching are introduced. The practice and experience of the course construction are demonstrated in five aspects as first-class foundation, first-class teachers, first-class resources, first-class pedagogical ideas and first-class achievements. It can be used as the reference for the future construction of first-class courses in other universities.
The revision of "Suggestions for Teaching Contents and Requirements of Physical Chemistry Course for Chemistry Majors (2020 Edition)" is introduced. The way to use this suggestion is explained. Based on the ideas of student-centeredness and outcome-based education, the overall objectives of physical chemistry teaching and the knowledge, ability and quality objectives of each part are defined. It is of guiding significance for the teaching research, teaching reform, textbook composition and evaluation of teaching effectiveness of physical chemistry course in our country at present and in the future.
From the perspective of training engineering talents, this paper analyzed and summarized the main problems existing in the classroom and laboratory teaching of chemical engineering in colleges and universities. In order to meet the requirements of engineering certification, we discussed the teaching reform and put forward some effective measures from three aspects of the classroom and laboratory teaching, as well as the engineering consciousness training.
In this paper, the PAD (presentation, assimilation, discussion) teaching method was applied in the courses of "green chemistry" and "material chemistry" for postgraduates and perfect teaching effect was achieved. In this teaching reform, it was found that topic selection is very important for the effective discussion. This paper analyzes by examples and discusses in detail the various factors impacting the teaching effect in the "discussion" process. The application of PAD teaching method in postgraduates' courses is helpful for developing critical thinking and independent scientific research ability, and is also beneficial to the postgraduates' research and development in the future.
High-quality online course materials were reconstructed through feedback from undergraduate students and online data analysis regarding constructed learning materials on the Chao Xing Learning Platform. They were used for studying organic chemistry courses online and offline in university for nationalities. This model, based on student-centered teaching, can effectively transform students from passively accepting knowledge to actively learning and internalizing knowledge. This strategy can also enhance the students' learning initiative and the effects of learning, and hopefully be helpful to the universities in multi-ethnic areas in developing fundamental disciplined construction of organic chemistry and other courses.
The construction and characteristics of physical chemistry online open course of Nanjing University have been introduced in this paper, and the application of physical chemistry online open course has been discussed according to the practical experience of online teaching of physical chemistry course during the COVID-19 epidemic period, which could provide a reference for online teaching of physical chemistry.
Under the "constructing Chinese Golden Lessons" and "ensuring learning undisrupted when classes are disrupted" appealed by Ministry of Education, we implemented organic chemistry online teaching schemes including self-study courses online, resolving doubts and expanding webcast explanation, classification-summarization and doing exercises online, as well as online discussion-answering. Students' performance was scored based process assessment including 10% self-study online, 10% resolving doubts and expanding webcast, 10% classification-summarization and doing exercises online, 5% online discussion-answering, 15% mid-term examination, and 50% semester final examination. The goal of student-centered teaching was achieved and teaching quality during epidemic period was ensured.
In view of the complex knowledge points and some abstract theories of pharmaceutical chemistry courses, the application of visualized teaching methods to present important knowledge points in a vivid way can enhance the teaching effect and stimulate students' interest in learning. Based on the authors' teaching and research work, this article summarizes the application of figurative teaching methods such as metaphor and analogy in inorganic chemistry and medicinal chemistry courses.
How to take the student as the center and the OBE (Outcomes-based Education) concept as the guide to comprehensively cultivate students' professional ability and professional quality has become an important content of applied undergraduate teaching reform. Taking "Modern Cosmetics Science and Technology" course as an example, an online and offline blended teaching implementation mode based on product development skills and literacy was constructed. It includes diversified teaching methods, immersive learning atmosphere, PBL (Problem-Based Learning) product projects, special anchors, and technical expert status conversion. The feasibility was implemented and verified.
The scale gap between the macro world and the micro world makes it impossible to directly observe the micro-structure, but chemical researchers must elucidate the properties of macro matter based on the micro-structure. Therefore, characterizing the micro-structure through the X-ray diffraction and other instruments is an important means to understand the micro world. However, it is hard for undergraduates to learn and understand the microstructure by using these scientific instruments due to the high instrumental running cost, complicated operation procedure and radiation safety issue. By integrating the construction concept of "combination of reality and practice", protein-ligand complexes crystallography research, the latest results of the theory of accurate prediction of ligand binding conformation, and the basic theoretical knowledge in the "Structural Chemistry Curriculum Group", we developed this virtual simulation experimental project by using modern information technology such as "3D virtual reality". This project will provide a useful method for the study of the theoretical foundation of chemistry, and development of thinking with chemical knowledge, scientific expression, and application abilities.
In this paper, several methods based on electronic educational resources have been presented for teaching structural chemistry. The constructions of multimedia materials, VRML models, teaching videos and website can not only improve the classroom effect, but also provide the students with a useful post-class learning platform. Meanwhile, further teaching reforms can be made on the foundations of these techniques.
According to the current status of physical chemistry teaching and problems in teaching activities, a comprehensive analysis was carried out, and a teaching mode of project-driven flipped learning was proposed. The project curriculum was optimized and designed to effectively carry out innovative teaching activities. Combined with the teaching content in the chapter of surface interface phenomenon, the specific implementation strategy of this new teaching mode is explained with specific teaching cases. This model helps to cultivate the independence of students thinking and learning autonomy, stimulates students' enthusiasm for learning, and significantly improves the quality and effect of classroom teaching.
Green chemistry oriented instrument platform on preparation, purification and characterization for basic organic chemistry experiment course is constructed, and basic, comprehensive and innovative experimental projects were implemented to build a green, hierarchical and informationized curriculum system. Using information technology, new media and the Internet as the means and adopting various teaching modes, online and offline teaching of basic experiment of organic chemistry are carried out to benefit teacher-student interaction, flipped classroom, teaching and learning. The curriculum content reform is led by teaching and scientific research achievements, emphasizing the integration of theory and practice, the integration of tradition and frontier, increasing the interest and frontier of the curriculum, so as to realize the high-level, innovative and challenging nature of the curriculum.
In order to improve the quality of classroom teaching to better serve the purpose of cultivating talents, we explored the discussion teaching in instrumental analysis course based on its characteristics. In this paper, we summarized the teaching practice including introduction of course, teaching design, teaching process and teaching evaluation, which would provide experience for the exploration of classroom teaching in chemistry major.
The clinical case-guided teaching, to combine analytical chemistry contents with medical practice, could excite students' interest in learning, deepen concept understanding and improve the abilities of analysis, induction and synthesis, and then of applying professional knowledge to solve medical practical problems. Meanwhile, it helps students enhance their sense of responsibility, accept the idea of dialectics and the concept of self-access learning, and gradually develop the habit of lifelong learning.
A Galvanic cell was designed based on the acid-base neutralization reaction by undergraduates according to the electrochemical theory in physical chemistry. By carrying out the comprehensive experiments, the learning interest of undergraduates on physical chemistry was inspired. The understanding on the principle of electrochemistry was enhanced. In addition, the undergraduates also established an intuitive understanding on scientific research by combining the experiments with the theory. It is helpful to broaden the academic horizons of the undergraduates and strengthen their ability to apply theoretical knowledge to practice. The work is a beneficial exploration to innovate the teaching mode of physical chemistry.
The paper introduces the construction of "Archaeological Chemistry", including the course content, teaching team and teaching method. Considering the different professional backgrounds of students, we construct the online teaching platform to share teaching resource, and establish a classroom WeChat group to strengthen teacher-student communication. In the teaching, the Case-Based Leaning (CBL) method is introduced as the basis, the students are considered as the main body, and the teachers' explanation was used as auxiliary guidance. This teaching model enhances the students' interest during learning, and better teaching results have been obtained.
The main measures and experiences of online physical chemistry teaching through Ding Talk platform in Bohai University was introduced. Through the practice of the whole semester, it can be seen that the modular teaching mode of "simplicity-detail-induction" constructed by physical chemistry teaching team is conducive to match students with different self-learning abilities with different levels of teaching. The question-and-answer video induction class can fully arouse students' learning enthusiasm, which is favorable for the perfect realization of teaching and teacher-student interaction. With the double guarantee of meticulous and transparent teaching management and the accompanying process assessment, the overall goal achievement degree of the whole semester reached beyond 80%, and the sub-goal achievement degree reached over 60%, which provided reference for relevant teaching.
In order to improve university laboratory teaching and practical education under the background of information technology, as well as overcome the difficulty for practical training, develop a virtual simulation experiment platform for rapid pyrolysis of natal materials and high-performance liquid chromatographic (HPLC) detection of its components. The experiment integrates the actual operation process of the plant to produce cleaved products by rapid pyrolysis of biomass with HPLC detection. The virtual experiment is divided into biomass sample pretreatment, rapid biomass pyrolysis, bio-oil extraction, and HPLC determination of complex components, making the biomass cleavage workshop "real" through simulation. This virtual simulation experiment fully integrates the utilization of biomass resources and basic chemistry courses (such as organic chemistry, instrumental analysis, chemical engineering principles, etc.), which are widely involved in agricultural and forestry majors with advantageous characteristics value.
Virtual simulation teaching is a new type of teaching mode in recent years, which is a fusion of multiple disciplines, multiple regions and multi-level laboratory teaching methods. Taking virtual simulation experiment platform construction of chemical engineering in Tianjin University as an example, this paper introduces the chemical safety knowledge, the integration of theoretical knowledge, the experimental content, the specific content of virtual simulation resources, and the characteristic of virtual simulation experiment platform. This platform provides a new model of efficient combination of virtual simulation resources and traditional teaching resources, which promotes the development of chemical laboratory teaching.
Carbon has always been an essential content in the teaching of inorganic chemistry. In light of the gold standard proposed by the Ministry of Education for the 'Gold Classes', through teaching of the transformation design of carbon-based materials, the paper gradually introduces the novel photocatalyst graphite carbon nitride from graphite and graphene, and analyzes its properties. This approach can improve students' understanding of graphite and nitrogen carbide, and play a role in cultivating students' innovative thinking.
Combining the highly internationalized character in Jinan University caring for overseas Chinese, we integrate the technologies and platform of multimedia, QR code and WeChat to build an information education platform including management and safety of laboratories, and experimental courses. The interactive platform provides bilingual contents that meets the requirement of domestic and international students and highly arouse the study interest and stimulate the initiative of students, as a result to improve their comprehensive quality and innovative ability.