基于手持技术的高中化学实验教学研究
发布时间：2018-11-17 18:00
【摘要】：化学实验,既是化学理论产生的源泉,又是促进化学发展的主要手段,在高中化学教学中具有不可替代的作用。近年来,随着新课程的实施,现代教育技术与高中化学实验教学相整合,呈现了新的发展态势。手持技术应用于化学实验教学,能够使传统的实验过程定量化、直观化、精确化,便于学生更加清晰地掌握和理解化学有关内容,大大提升化学教学的效果,日益受到学者和一线教师的关注。但是,手持技术在高中化学实验教学中的应用现状依然不容乐观。本研究在查阅大量文献的基础上,深入分析了当前手持技术应用现状和化学实验教学研究现状,认为基于手持技术的化学实验能够培养学生定量思维,发展学生的实践能力,并能促进学生人文素养的发展。将基于手持技术的化学实验应用于教学具有一些独特的优势,包括:有助于更加有效地创设情境,驱动展开探究;使观察更加敏锐,更加直观;帮助学生更加深入地亲历过程,有效掌握方法;有助于实现多学科融合,培养学生的综合能力。在以上分析的基础上,我们构建了基于手持技术设计高中化学实验的策略:明确实验研究的问题及相关的因素、提出实验研究的假设和方法、选择合适的仪器和装置、采集分析数据优化实验设计;并进一步提出了基于手持技术的高中化学实验教学策略:营造自由、平等、开放的教学环境、密切结合驱动性问题有序推进、提供必要及时的指导、注重小组的团队有效合作。基于以上理论分析和策略构建,我们将手持技术运用于设计、改进和创新高中化学实验教学中,形成了课堂演示类、课外研究性学习类、探究活动类三类基于手持技术的化学实验教学设计案例。研究还将上述教学设计案例运用到教育实践中,并对相关教师和学生进行问卷调查和访谈,比较基于手持技术的高中化学实验教学相对于传统实验教学,对学生学习兴趣、探究能力、学习成绩的影响,并进一步验证本研究所提策略及案例设计的有效性。
[Abstract]:Chemical experiment is not only the source of chemical theory, but also the main means to promote the development of chemistry. It plays an irreplaceable role in chemistry teaching in senior high school. In recent years, with the implementation of the new curriculum, the integration of modern educational technology and chemistry experiment teaching in senior high school has presented a new development trend. The application of handheld technology in chemistry experiment teaching can make the traditional experiment process quantitative, intuitionistic and accurate, which is convenient for students to grasp and understand chemistry contents more clearly, and greatly improve the effect of chemistry teaching. Scholars and teachers are increasingly concerned about it. However, the application of handheld technology in high school chemistry experiment teaching is still not optimistic. On the basis of consulting a large number of literatures, the present situation of handheld technology application and chemistry experiment teaching is deeply analyzed. It is concluded that the chemistry experiment based on handheld technology can train students' quantitative thinking and develop students' practical ability. And can promote the development of students'humanistic literacy. The application of chemistry experiment based on handheld technology in teaching has some unique advantages, including: helping to create situation more effectively, driving exploration, making observation more sharp and intuitive; It helps the students to experience the process more deeply and master the method effectively. It is helpful to realize the multi-disciplinary integration and to cultivate the students' comprehensive ability. On the basis of the above analysis, we construct the strategy of designing high school chemistry experiment based on handheld technology: make clear the problems of experimental research and related factors, put forward the hypothesis and method of experimental research, select appropriate instruments and devices. The optimal experimental design of data acquisition and analysis; Furthermore, the paper puts forward the teaching strategy of high school chemistry experiment based on handheld technology: creating a free, equal and open teaching environment, closely combining driving problems to advance in an orderly manner, providing necessary and timely guidance, and paying attention to the effective cooperation of the team. Based on the above theoretical analysis and strategy construction, we apply handheld technology to the design, improvement and innovation of chemistry experiment teaching in senior high school, and form a class of classroom demonstration and extracurricular research-based learning. There are three kinds of teaching cases based on handheld technology. The research also applies the above teaching design case to the educational practice, and carries on the questionnaire survey and the interview to the related teacher and the student, compares the high school chemistry experiment teaching based on the handheld technology to the traditional experiment teaching, to the student study interest. The influence of inquiry ability and learning achievement, and further verify the effectiveness of the strategy and case design proposed in this study.
【学位授予单位】：山东师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：G633.8
本文编号：2338632
[Abstract]:Chemical experiment is not only the source of chemical theory, but also the main means to promote the development of chemistry. It plays an irreplaceable role in chemistry teaching in senior high school. In recent years, with the implementation of the new curriculum, the integration of modern educational technology and chemistry experiment teaching in senior high school has presented a new development trend. The application of handheld technology in chemistry experiment teaching can make the traditional experiment process quantitative, intuitionistic and accurate, which is convenient for students to grasp and understand chemistry contents more clearly, and greatly improve the effect of chemistry teaching. Scholars and teachers are increasingly concerned about it. However, the application of handheld technology in high school chemistry experiment teaching is still not optimistic. On the basis of consulting a large number of literatures, the present situation of handheld technology application and chemistry experiment teaching is deeply analyzed. It is concluded that the chemistry experiment based on handheld technology can train students' quantitative thinking and develop students' practical ability. And can promote the development of students'humanistic literacy. The application of chemistry experiment based on handheld technology in teaching has some unique advantages, including: helping to create situation more effectively, driving exploration, making observation more sharp and intuitive; It helps the students to experience the process more deeply and master the method effectively. It is helpful to realize the multi-disciplinary integration and to cultivate the students' comprehensive ability. On the basis of the above analysis, we construct the strategy of designing high school chemistry experiment based on handheld technology: make clear the problems of experimental research and related factors, put forward the hypothesis and method of experimental research, select appropriate instruments and devices. The optimal experimental design of data acquisition and analysis; Furthermore, the paper puts forward the teaching strategy of high school chemistry experiment based on handheld technology: creating a free, equal and open teaching environment, closely combining driving problems to advance in an orderly manner, providing necessary and timely guidance, and paying attention to the effective cooperation of the team. Based on the above theoretical analysis and strategy construction, we apply handheld technology to the design, improvement and innovation of chemistry experiment teaching in senior high school, and form a class of classroom demonstration and extracurricular research-based learning. There are three kinds of teaching cases based on handheld technology. The research also applies the above teaching design case to the educational practice, and carries on the questionnaire survey and the interview to the related teacher and the student, compares the high school chemistry experiment teaching based on the handheld technology to the traditional experiment teaching, to the student study interest. The influence of inquiry ability and learning achievement, and further verify the effectiveness of the strategy and case design proposed in this study.
【学位授予单位】：山东师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：G633.8
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