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Understanding about Dissolution and Solution of Pre-service Elementary School Teachers
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초등 예비교사들의 용해와 용액에 대한 인식 조사

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Type
Academic journal
Author
Sung-Kyu KIM (진주교육대학교)
Journal
The Korean Society for Fisheries and Marine Sciences Education THE JOURNAL OF FISHERIES AND MARINE SCIENCES EDUCATION Vol.32 No.1(Wn.103) KCI Accredited Journals
Published
2020.2
Pages
133 - 143 (11page)
DOI
10.13000/JFMSE.2020.2.32.1.133

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Understanding about Dissolution and Solution of Pre-service Elementary School Teachers
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Abstract· Keywords

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This study analyzes the contents about dissolution and concentration in elementary school science text books. Also, we find out the pre-service elementary teachers recognition of term through the survey. The results are as follows. The words ‘dissolution and solution’ are first introduced in first semester of the fifth grade and concentration-related dilute a solution preparation in the second semester of the fifth grade and first semester of sixth grade.
Pre-service elementary teacher generally comprehended the definition of the terms except the term concentration %, and M. they are familiar with types of solution which are saturation, unsaturation, and supersaturation. On the other hand, the percent of concept answers about the understanding the comparison between different concentration of solution is only 47.6% which is below 50%. They are lack of experience and knowledge in solution preparation. So, teachers could not grasp the tools of dilute methods and processes of solution concentration when mixing acid with base solution.
Pre-service elementary school teachers are necessary to be educated about concentration meticulously. Moreover, the sequence of education required for knowledge has to be follow in the order handouts >training >classes> videos and the internet. From now on, pre-service elementary school teachers need to retrain on concentration and on-site teachers need to be educated by training.
#Dissolution #Solution #Concentration #Pre-service elementary school teachers

Contents

Abstract
Ⅰ. 서론
Ⅱ. 연구 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론 및 제언
References

References (28)

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최영미 / 2015 / 예비 초등교사가 생각하는 작은 생물에 대한 이미지, 연상 용어, 우리 생활과의 관계 / 교원교육 31(2):107~131 dbpia Han BD / 2018 / Curriculum, Textbook and Teaching Practices Analysis on Discussion in Elementary School google schola 정재훈 / 2010 / 과학 실험 연수에 대한 초등 교사들의 기대와 실태 분석 / 초등과학교육 29(3):316~325 dbpia Jeon JS / 2007 / Idealization of NaCl Salt Crystallization For 5th Grade Science Classroom google schola 강대훈 / 2003 / 용해 현상에 대한 초등학교 과학교과서의 내용분석 및 지도 실태 / 초등과학교육 22(2):138~148 dbpia

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UCI(KEPA) : I410-ECN-0101-2020-454-000353348