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題 名 | Children's Conceptual Models About Light and Strategies for Conceptual Change=學童光學概念認知模式及概念改變之教學策略 |
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作 者 | 郭金美; | 書刊名 | 嘉義師院學報 |
卷 期 | 9 1995.11[民84.11] |
頁 次 | 頁481-538 |
分類號 | 523.33336 |
關鍵詞 | 先前概念; 教學策略; 光學認知模式; 概念改變; Preconceptions; Teaching strategies; Conceptual models about light; Conceptual change; |
語 文 | 英文(English) |
中文摘要 | 本文為文獻探討研究,旨在分析近十年來科教學者對國小學童光學先前概念(PRECONCEPTIONS)認知的各種模式,以及如何透過有效教學策略改變其概念的研究結果。 有關光性質之先前概模式被歸納如下類型: (一)、光之前進 1、光即光源(Light equates to its source) 2、光沒有運動(Light does not move in space) 3、光為整體之實質(Holistic entity) 4、光前進有如隧道保持等寬度(Tunnel model) (二)、影子 1、影子是一種反射(A shadow is a reflection) 2、影子是物體之再生(Reified shadow) 3、影子是光激發物體所生(The trigger model) 4、影子是暗光(Shadow is darker light) (三)、如何看得見 1、反射光不是必要的(Reflected light is not necessary for seeing) 2、看東西時眼睛是主動者(Eye is an active agent) (一)、建立一教學情境促進學習同化 (二)、激發學童認知衝突進而調適學童認知 (三)、運用比喻方式加速概念改變 (四)、善用小組的學習方式達成概念改變 本研究結果期能助益於目前國內所進行之科學教育改革,如科學課程之設計、教學法之創新以及提升科學師資之培育。 |
英文摘要 | The purpose of this study is to review the recent research regarding the identification of elementary children's preconceptions about light and how to change their conceptions through the effective teaching strategies. Children's conceptual types about light were found as the following: 1.Light Propagation: a. Light equates to its light source; b. Light does not move in space. c. Light radiation is as holistic entity; c. Light propagation is as a tunnel. 2.Shadow: a. A shadow is a reflection; b. An object produces a shadow, rified shadow; c. A shadow is a trigger shadow stimulated from light: d. A shadow is darker light. 3.Light and Seeking: a. Reflected light is not necessary for seeing; b. Eye is an active agent. The effective approaches for children's conceptual change were based on children's preconceptions and employed the following strategies: building an learning environment to assist to assimilate the new knowledge; producing conflict between the new knowledge and the old one to help accommodation; using the technique of analogy to accept the new concepts; using the peer discussion in a small group learning to change coceptions. The results of this research were suggested to be used in science education which includes revising the science textbooks, creating the teaching approaches and promoting science teacher education. |
本系統中英文摘要資訊取自各篇刊載內容。