Journal of the Korean earth science society (한국지구과학회지)

The Korean Earth Science Society (한국지구과학회)
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Related Conception s to Earth System and Applying of Systems Thinking about Carbon Cycle of the Preservice Teachers

예비교사들의 탄소 순환에 대한 지구시스템의 관련개념과 시스템 사고의 적용

  • Jeong, Jin-Woo (Department of Earth Science Education, Korea National University of Education) ;
  • kyung, Jai-Bok (Department of Earth Science Education, Korea National University of Education) ;
  • Koh, Yeong-Koo (Department of Earth Science Education, Cheongwon National University) ;
  • Youn, Seok-Tae (Department of Earth Science Education, Cheongwon National University) ;
  • Kim, Hai-Gyoung (Department of Earth Science Education, Gwangju National University of Education) ;
  • Oh, Kang-Ho (Department of Earth Science Education, Cheongwon National University) ;
  • Moon, Byoung-Chan (Department of Earth Science Education, Korea National University of Education)
  • 정진우 (한국교원대학교 지구과학교육과) ;
  • 경재복 (한국교원대학교 지구과학교육과) ;
  • 고영구 (전남대학교 과학교육학부) ;
  • 윤석태 (전남대학교 과학교육학부) ;
  • 김해경 (광주교육대학교 과학교육과) ;
  • 오강호 (전남대학교 과학교육학부) ;
  • 문병찬 (한국교원대학교 지구과학교육과)
  • Published : 2004.12.31
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Abstract

Using six preservice teachers as subjects, this was purpose to research about concepts in understanding carbon cycle, which of concepts were related to the conception of the system, and finally whether or not the systems thinking was sufficiently around carbon cycle. To achieve this study purpose , an instrument related to carbon cycle was developed and administered to the six teachers. The study found that a total of 42 conceptions within the system were concepts related to carbon cycle. The consisted of 15 conceptions in atmosphere, 11 in atmosphere 9 in hydrosphere, and 7 in lithosphere. In aspect of applying the system thinking, 4 subjects who couldn't compose the feedback loop in their causal map failed to apply this type of thinking. The other two who applied systems thinking had 2 and 1 feedback loop each, in their causal maps. But, one of the feedback loop from the subject who made two was based on unscientific reasoning. As a result, the subjects had lower understanding of concepts related to carbon cycle in lithosphere than in atmosphere, atmosphere, and hydrosphere. Futhermore, the subjects' application of the earth systems thinking on carbon was at a low standard.

이 연구의 목적은 6명의 예비교사들을 대상으로, 탄소 순환을 이해하는데 적용되는 개념들을 조사하여 지구시스템에 관련된 개념은 무엇인가를 알아보고, 탄소 순환에 대해서 시스템 사고를 적절히 수행하고 잇는지를 조사하는 것이었다. 연구방법은 고등학교 지구과학에서 다루고 있는 “지구의 구성” 단원 중 ‘탄소 순환’과 관련된 질문을 통해, 예비교사들이 진술한 내용을 분석하여 개념의 특성을 조사하였다. 이를 근거로 지구시스템에 관련된 개념을 구성요소로 하여 인과지도를 작성한 수, 시스템 사고의 관점에서 분석하였다. 연구결과는 다음과 같다, 첫째ㅡ 탄소 순환을 이해하는데 적용된 개념들 중 지구시스템에 대한 관련개념은 모두 42개가 나타났다, 그 중 기권 관련개념은 15개, 생물권 관련개념은 11개, 수권 관련개념은 9개였으며, 암석권 관련개념은 7개였다. 둘째, 인과지도에서 피드백 순환고리는 A와 F 예비교사들에게 2개와 1개가 완성되었으나, A예비교사에게서 완성된 2개의 피드백 순환고리 중 1개는 비과학적 개념연결에 근거하였다. 결론적으로, 연구에 참가한 6명의 예비교사들은 탄소 순환과 관련하여 지구시스템에서 암석권에 대한 이해가 낮으며, 4명은 시스템 사고가 수행되지 않았고, 2명은 시스템 사고를 수행하였으나, 그 수준은 높지 않았다.

Keywords

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