ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 64, Number 5
JKCSEZ 64(5)
October 20, 2020 

249  

Evaluation of Raw and Calcined Eggshell for Removal of Cd2+ from Aqueous Solution
Youngjung Kim, Yerim Yoo, Min Gyeong Kim, Jong Ha Choi, Keon Sang Ryoo*
Keywords: Egg shell, Calcined egg shell, Cd2+, Adsorbent, Adsorption
DOI: https://doi.org/10.5012/jkcs.2020.64.5.249

Abstract  |  Full Text: PDF    JATS XML

259  

Effect of Different Carrier Agents on Physicochemical Properties of Spray-dried Pineapple (Ananas comosus Merr.) Powder
Le Pham Tan Quoc
Keywords: Encapsulation, Gum arabic, Maltodextrin, Spray-dried product, Structure
DOI: https://doi.org/10.5012/jkcs.2020.64.5.259

Abstract  |  Full Text: PDF    JATS XML

267  

Analysis of Chemistry Teachers' Cognitive level related to Two Types of Acid-Base Models based on Epistemological and Ontological viewpoint
인식론 및 존재론적 관점에서 두 유형의 산·염기 모델에 대한 화학 교사들의 인지 수준 분석
Eun Ju Lyu, Seoung Hey Paik*
Keywords: 산-염기 모델, 화학 교사, 이그노런스, 모델의 인지 ,  acid-base models, chemistry teacher, Ignorance, cognitions related to model
DOI: https://doi.org/10.5012/jkcs.2020.64.5.267

Abstract  |  Full Text: PDF    JATS XML

277  

Middle School Science Gifted Students' Perceptions of the Effectiveness of Science Classes Using Science Writing Heuristic
탐구적 과학 글쓰기를 적용한 과학 수업의 효과에 대한 중학교 과학 영재들의 인식
Eunji Shin, Wonho Choi*
Keywords: 탐구적 과학 글쓰기, 과학영재, 메타인지, 2015 개정 과학과 교육과정 ,  Science writing heuristic (SWH), Science gifted students, Meta cognition, 2015 revised science national curriculum
DOI: https://doi.org/10.5012/jkcs.2020.64.5.277

Abstract  |  Full Text: PDF    JATS XML

291  

Analyzing College Students’ Dialogic Argumentation in the Context of Nanotechnology Issues Based on Idiocentrism and Allocentrism
나노기술 관련 사회·윤리적 쟁점 맥락에서 개인-집단중심성향에 따른 대학생들의 논증담화 분석
Yeonjoo Ko, Hyunju Lee*
Keywords: 과학관련 사회쟁점, 나노기술, 논증, 담화클러스터와 담화요소, 개인중심성향과 집단중심성향 ,  Socioscientific issues, Nanotechnology, Dialogic argumentation, Discourse cluster and scheme, Idiocentrism and allocentrism
DOI: https://doi.org/10.5012/jkcs.2020.64.5.291

Abstract  |  Full Text: PDF    JATS XML

304  

The Analysis of Thought Change of 11th Grade Students related to Conservation of Mass and Volume Change by Responsive Teaching
반응적 교수법에 의한 고등학교 1학년 학생들의 질량 보존과 부피 변화에 대한 사고 변화 분석
Na Yeon Jo, Seoung Hey Pail*
Keywords: 반응적 교수법, 질량, 부피, 고등학생 ,  Responsive teaching, Mass, Volume, High school students
DOI: https://doi.org/10.5012/jkcs.2020.64.5.304

Abstract  |  Full Text: PDF    JATS XML