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基于Flash軟件的化學仿真實驗在初中(上)化學實驗教學中的應用

發(fā)布時間:2018-04-27 14:59

  本文選題:化學實驗 + Macromedia ; 參考:《陜西師范大學》2014年碩士論文


【摘要】:化學作為一門實驗學科,以實驗為基礎既是化學學科的特征,也是化學教學的特征。化學實驗教學對學生動手能力、科學思維、創(chuàng)新意識的培養(yǎng)起著重要的作用。在傳統(tǒng)的化學實驗教學中因實驗條件限制或者課時不夠,學生思考時間太短,尤其農村學校由于缺乏資金和設備數(shù)量少,并不能讓每個學生動手操作實驗。 要想保證實驗教學的質量,必須改進傳統(tǒng)的教學模式,采用新的教學手段,利用先進的教學設備進行教學。利用計算機仿真化學實驗輔助教學,能夠體現(xiàn)交互性,可以幫助學生更好的理解和掌握實驗知識,培養(yǎng)學生的觀察力、注意力和思維力。實踐證明,計算機輔助教學將成為化學實驗教學的一個重要途徑。 因此,設計和開發(fā)虛擬實驗成為當前一個及其重要的研究議題,也是解決中學理化實驗教學問題的當務之急。本論文結合人民教育出版社九年級(上冊)化學,對氧氣的制備、水的電解、氫氣還原氧化銅等五個化學實驗,進行虛擬實驗軟件的開發(fā),力求實現(xiàn)虛擬性、實踐性、靈活性、開放性和交互性的特性。并且整合了虛擬實驗和真實實驗,發(fā)揮各自的優(yōu)勢,取長補短,形成多功能的教學體系,從而吸引學生積極快樂地學習,這也是本論文設計的意義之所在。 全文主要包括以下幾部分內容: 一、對計算機技術在實驗教學中的應用進行了總結;闡述了計算機仿真實驗對實驗教學的輔助作用,介紹了Macromedia Flash作為開發(fā)平臺的優(yōu)勢,操作界面和一些重要的概念。對初中化學實驗類型進行了分類,討論了虛擬環(huán)境下教學模式的選擇,以及混合學習理論與虛擬實驗教學的結合。 二、利用Macromedia Flash完成了仿真化學實驗系統(tǒng)的設計。對仿真化學實驗開發(fā)的內容、設計思路及實驗過程動畫的制作、實驗素材元件的制作、界面結構和風格等流程進行了詳細介紹。 三、通過利用“實驗室制取氧氣”、“水的電解”和“氫氣還原氧化銅”幾個虛擬實驗的例子,對仿真化學實驗與真實實驗相結合的教學模式進行了舉例性的設計。
[Abstract]:Chemistry, as an experimental subject, is not only the characteristic of chemistry, but also the characteristic of chemistry teaching. Chemistry experiment teaching plays an important role in the cultivation of students' practical ability, scientific thinking and innovative consciousness. In the traditional chemistry experiment teaching, because of the limitation of experiment condition or insufficient class time, the time of students thinking is too short, especially because of the lack of funds and equipment in rural schools, it is not possible for every student to operate the experiment. In order to ensure the quality of experimental teaching, we must improve the traditional teaching mode, adopt new teaching means and use advanced teaching equipment to carry out teaching. The computer simulation chemistry experiment can be used to help students to understand and master the experimental knowledge, and to cultivate the students' observation, attention and thinking ability. It has been proved by practice that computer-aided teaching will become an important way in chemistry experiment teaching. Therefore, the design and development of virtual experiments has become an important research topic at present, and it is also an urgent task to solve the problem of physical and chemical experiment teaching in middle schools. This paper combines five chemical experiments, such as the preparation of oxygen, the electrolysis of water and the reduction of copper oxide by hydrogen, to develop the virtual experiment software, in order to realize the virtual, practical, flexible, and so on, according to the chemistry of the ninth grade (first book) of the people's Education Publishing House. Openness and interactivity. And the virtual experiment and the real experiment are integrated to give play to their respective advantages, learn from each other, form a multi-functional teaching system, so as to attract students to actively and happily learn, which is also the significance of the design of this paper. The full text includes the following parts: The main contents are as follows: 1. The application of computer technology in experimental teaching is summarized, the auxiliary function of computer simulation experiment to experimental teaching is expounded, the advantages of Macromedia Flash as a development platform, the operation interface and some important concepts are introduced. This paper classifies the types of chemistry experiments in junior high school, discusses the choice of teaching mode in virtual environment and the combination of mixed learning theory and virtual experiment teaching. Secondly, the simulation chemistry experiment system is designed by using Macromedia Flash. In this paper, the contents, design ideas and animation of the experiment process, the fabrication of the experimental material, the interface structure and the style of the simulation chemistry experiment are introduced in detail. Thirdly, by using the examples of "making oxygen in laboratory", "electrolysis of water" and "reduction of copper oxide by hydrogen", the teaching model combining simulation chemistry experiment with real experiment is designed with examples.
【學位授予單位】:陜西師范大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:G633.8;G434

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