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題 名 | 以教材發展形成性評量的觀點探討國民小學二年級學童學習自然科有關簡單電路之通路及電流概念=From the View of Formative Evaluation for Teaching Material Development to Investigate Children's Concepts About Electric Route and Electric Current in a Simple Circuit in Grade 2 |
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作 者 | 全中平; | 書刊名 | 國教學報 |
卷 期 | 8 1996.11[民85.11] |
頁 次 | 頁165-175 |
分類號 | 523.46 |
關鍵詞 | 教材; 國民小學; 學童; 學習; 自然科; 電路; 電流; 形成性評量; |
語 文 | 中文(Chinese) |
中文摘要 | 我國國民小學自然科課程標準已於民國八十二年九月公佈,且台灣省國民學校教師研習會接受教育部委託而研發自然科新課程實驗教材,其中二年級實驗教材「小燈泡與小馬達」單元中,有探究相關簡單電路之通路及電流概念之教學活動,由於為了使實驗教材能夠被謹慎編撰,並使未來正式教材能夠適用於兒童的自然科學習,所以從教材發展之形成性評量觀點來看,需要探討國小二年級學童在使用該實驗教材前後,對於相關簡單電路通路及電流概念的認知情形。本研究以兒童畫圖測驗,分析台灣省中北部四所國小二年級使用此實驗教材學習簡單電路及電流概念情形,發現學童在此單元教學活動實施之後,有八成四的學童可以畫出簡單電路連接情形,但仍需改進教學活動設計,使其餘16%學童能進一步完成簡單電路通路概念的學習。但是,學童在電流概念認知情形方面,不僅在單元教學前完全沒有正確的概念,教學後,有三分之一學童仍然完全無法了解電流概念,除此之外,二成二的學童認為電流是從電池正負極流向燈泡產生「電流相撞」之概念模式,還有三成七的學童可能被實驗課本中的學童圖畫導引成錯誤的電流方向概念。因此,二年級學童可以從事相關簡單電路之通路概念學習,但不宜教導任何相關電流概念的學習活動。 |
英文摘要 | National Elementary Science Curriculum of ROC has been announced in 1993, and experimental teaching materials were designed by Taiwan Provincial Institute for Elementary School Teachers' Inservice Education commissioned by Ministry of Education. The Unit, little lamp and little motor, in second graders' experimental textbook is made to investigate children's concepts about electric circuit and electric current. For the sake of improving and assuring the content of the unit to be suitable for use in children ,and from the point of view about formative evaluation for teaching material development, there is a need to understand what children's conceptual understanding abut these concepts before and after the unit was taught. The study was a drawing test, utilizing four classes in four elementary schools in north Taiwan. The test centered around a electric circuit task. The findings for these children suggested that the concept about constructing an electric circuit can be learned in second grade students, but the concept of electric current should not be taught in the grade, because the students in the grade could not understand the electric current concept before and even after the unit taught. |
本系統中英文摘要資訊取自各篇刊載內容。