- 學位論文
熱力學第二定律基本概念融入能量教學之探討
Lecturing on Energy by Introducing Fundamental Concepts of the Second Law of Thermodynamics
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摘要
本研究旨在引入熱力學第二定律基本概念以進行能量教學活動設計，透過多重語態符號學論述分析及實際教學研究，探討教學活動設計之效能及對學生能量概念理解和應用能力的影響。能量與熱力學等概念為能源科技最重要之知識基礎，雖然目前積極推展的能源教育相關教材甚多，然而鮮少針對熱力學基本定律著手做為能源教育之概念建構基礎。故本研究嘗試從物理基礎概念的角度思考能源議題，在課程綱要規定之能量基本概念的教學內容中，引入熱力學第二定律基本概念，以引導學生將能量科學知識與能源議題做連結，並成為面臨能源相關議題時之推理思惟依據。 本研究採用「多重語態符號學論述分析架構（multimodal semiotics discourse analysis framework）」分析能量教學活動設計，從符號語態使用與意義建構來檢視教學活動之效能。執行上乃取樣自台北市某市立高中一年級52名學生進行教學研究，教學活動分為「能量守恆與熱力學第一定律」與「熱力學第二定律與效率」兩單元，分別在教學前與兩次教學活動後以自編之能量概念認知測驗進行施測，並結合晤談等方式以探討學生之概念理解及應用情形。整理上述分析得到結果如下： 一、 根據多重語態符號學論述分析架構之分析，教學活動中使用多重語態之符號並說明各符號間的關聯，可有效呈現與傳遞科學概念。透過生活實例與師生問答，可縮短日常經驗與科學知識的距離，並啟發學生主動參與意義建構。 二、 根據引入熱力學基本概念之教學活動的實際教學研究結果，學生在教學後對能量守恆與熱力學第一定律、熱力學第二定律與效率等概念的理解皆有顯著提升。 三、 且根據前述實際教學研究結果，學生在整體教學後應用能量概念進行分析判斷之能力有逐步顯著之提升。尤其在熱力學第二定律基本概念引入教學後，學生的判斷結果之正確性及判斷概念依據的精確性皆有顯著進步。 本研究從理論分析與實際教學兩方面進行嘗試性的初探，研究結果顯示引入熱力學基本定律可以提升學生對能量概念之建構學習，此結果應可提供做為能源教育的思考參考。
並列摘要
The goal of this study was to develop educational activities for energy concepts by integrating fundamental concepts of the second law of thermodynamics. Via multimodal semiotics discourse analysis and practical work, the study examined the effectiveness of the educational activities design, and how it influenced students’ comprehension and their ability to apply energy concepts. The concepts of energy and thermodynamics were the most important foundational knowledge of energy technology. Although there were plenty teaching materials of energy education that had been fully applied so far, very few of them focused on fundamental concepts of thermodynamics serving as the basis of energy education. On this account, this study attempted to reflect on the energy issues from the perspective of fundamental physics concepts, trying to guide students to connect the scientific knowledge with energy issues by integrating the fundamental concepts of the second law of thermodynamics into the basic energy concepts in secondary school curriculum, and to take them as the basic inferential thoughts for energy-related issues. This study adopted the “multimodal semiotics discourse analysis framework” to examine the effectiveness of the design of educational activities by analyzing the use of multimodal signs in teaching sequences and the meaning they constructed. The educational research had been conducted by sampling 52 students in a certain Taipei Municipal high school, and the educational activities were divided into two units: “the law of conservation of energy and the first law of thermodynamics” and “the second law of thermodynamics and efficiency”. The self-developed cognitive examination of energy concepts was conducted before and after the two educational activities respectively, and the semi-structure interview was also employed to explore students’ understanding and application of energy concepts. The results of the analysis mentioned above were listed: (1) According to the analysis of multimodal semiotics discourse analysis framework, using multimodal signs and explaining the relation between each signs in educational activities could present and communicate scientific concepts effectively. Furthermore, the teaching sequences adopted examples in daily life and questioning approach could shorten the distance between everyday experiences and scientific knowledge and inspire students to participate in meaning-making process actively. (2) According to the results of the empirical study, the students’ comprehension of the law of conservation of energy, the second law of thermodynamics and efficiency had been significantly improved after courses. (3) Moreover, according to the results of the empirical study, the students’ ability to apply the energy concepts to analyze and estimate energy issues also showed a gradually significant improvement after course. Especially after introducing the fundamental concepts of the second law of thermodynamics to the educational activities, the accuracy of the students’ estimation and the precision of the concepts they applied both had significantly improved. In this study, a tentative and preliminary exploration was conducted both from the aspects of theoretical analysis and empirical study. The findings suggested that introducing the fundamental laws of thermodynamics to energy education could effectively enhance the students’ learning of energy concepts, and the results could also serve as the reference for designing teaching materials of energy education in the future.
參考文獻
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