【摘要】：化學(xué)實驗,既是化學(xué)理論產(chǎn)生的源泉,又是促進化學(xué)發(fā)展的主要手段,在高中化學(xué)教學(xué)中具有不可替代的作用。近年來,隨著新課程的實施,現(xiàn)代教育技術(shù)與高中化學(xué)實驗教學(xué)相整合,呈現(xiàn)了新的發(fā)展態(tài)勢。手持技術(shù)應(yīng)用于化學(xué)實驗教學(xué),能夠使傳統(tǒng)的實驗過程定量化、直觀化、精確化,便于學(xué)生更加清晰地掌握和理解化學(xué)有關(guān)內(nèi)容,大大提升化學(xué)教學(xué)的效果,日益受到學(xué)者和一線教師的關(guān)注。但是,手持技術(shù)在高中化學(xué)實驗教學(xué)中的應(yīng)用現(xiàn)狀依然不容樂觀。本研究在查閱大量文獻的基礎(chǔ)上,深入分析了當(dāng)前手持技術(shù)應(yīng)用現(xiàn)狀和化學(xué)實驗教學(xué)研究現(xiàn)狀,認為基于手持技術(shù)的化學(xué)實驗?zāi)軌蚺囵B(yǎng)學(xué)生定量思維,發(fā)展學(xué)生的實踐能力,并能促進學(xué)生人文素養(yǎng)的發(fā)展。將基于手持技術(shù)的化學(xué)實驗應(yīng)用于教學(xué)具有一些獨特的優(yōu)勢,包括:有助于更加有效地創(chuàng)設(shè)情境,驅(qū)動展開探究;使觀察更加敏銳,更加直觀;幫助學(xué)生更加深入地親歷過程,有效掌握方法;有助于實現(xiàn)多學(xué)科融合,培養(yǎng)學(xué)生的綜合能力。在以上分析的基礎(chǔ)上,我們構(gòu)建了基于手持技術(shù)設(shè)計高中化學(xué)實驗的策略:明確實驗研究的問題及相關(guān)的因素、提出實驗研究的假設(shè)和方法、選擇合適的儀器和裝置、采集分析數(shù)據(jù)優(yōu)化實驗設(shè)計;并進一步提出了基于手持技術(shù)的高中化學(xué)實驗教學(xué)策略:營造自由、平等、開放的教學(xué)環(huán)境、密切結(jié)合驅(qū)動性問題有序推進、提供必要及時的指導(dǎo)、注重小組的團隊有效合作。基于以上理論分析和策略構(gòu)建,我們將手持技術(shù)運用于設(shè)計、改進和創(chuàng)新高中化學(xué)實驗教學(xué)中,形成了課堂演示類、課外研究性學(xué)習(xí)類、探究活動類三類基于手持技術(shù)的化學(xué)實驗教學(xué)設(shè)計案例。研究還將上述教學(xué)設(shè)計案例運用到教育實踐中,并對相關(guān)教師和學(xué)生進行問卷調(diào)查和訪談,比較基于手持技術(shù)的高中化學(xué)實驗教學(xué)相對于傳統(tǒng)實驗教學(xué),對學(xué)生學(xué)習(xí)興趣、探究能力、學(xué)習(xí)成績的影響,并進一步驗證本研究所提策略及案例設(shè)計的有效性。
[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.
【學(xué)位授予單位】：山東師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：G633.8

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