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題 名 | 小學生的物質變化與物質概念之研究 |
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作 者 | 劉德明; | 書刊名 | 花蓮師院學報 |
卷 期 | 5 1995.06[民84.06] |
頁 次 | 頁65-113 |
分類號 | 523.46 |
關鍵詞 | 小學生; 物質變化; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究對國小3-6年級學生,施以21個物理變化或化學變化的強迫選擇並說明理由的測驗,再配合面詢以判斷理解的內容,對生成物的認識,和變化現象的自然發生與可逆性;結果發現:兒童對物質變化現象的概念,主要是現象學的,為知覺所支配,極少理的內容;兒童用來區別反應物與生成物的理由可分為變化比較型與非變化型兩大類,兒童認識的物質種類水準的在物體與物質之間,對變化內容及物質瞭解很有限,不注意物質的本質,因此不能區別物理變化與化學變化,對許多熟悉的化學變化,兒童不能正確描述生成物;兒童對變化自然發生的看法,比較任意;容易把化學變化看成是不可逆的,而水的三態變化看成是可逆的,大致反映學校學習的成果;最後討論兒童的物質變概念表徵與概念發展。 |
英文摘要 | This report examines children's (8-11 age) conception of material change by forced choice with reason for his choice, as well as inter-views for their contents of understanding and product, spontaneity and reversibility of each phenomenon. The results show that children's conceptions of material change are dominated by current perception of phenomenon and almost with no theory such as concept of identity and substance. Their reasons for distinguished reactant with product matter can be classified into two type : change-conparison type and nonchange type, and have no molecular level concept. The level of material kind children recognized is only between object and material. They do not know what is identity of matter so that they can not dist-inguish physical change with chemical change. Children can not suff-iciently describe the product of many accustomed chemical changes. They easily take chamical changes as irreversible and take phase changes of water as reversible. In conclusion children's material change representation and development of material conception are discussed. |
本系統中英文摘要資訊取自各篇刊載內容。