Journal of Science Education (과학교육연구지)

Science Education Research Institute Kyungpook National University (경북대학교 과학교육연구소)
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Earth Science Prospective Teachers' Perceptions on Equilibrium and Interaction Concepts in Earth's Radiative Equilibrium

지구의 복사 평형에서 평형과 상호 작용 개념에 대한 예비 지구과학 교사들의 인식

  • Received : 2023.02.08
  • Accepted : 2023.04.20
  • Published : 2023.04.30
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Abstract

This study examines how prospective earth science teachers perceive the concept of "equilibrium" and "interaction between Earth's spheres" in understanding Earth's radiative equilibrium and tries to identify their misconceptions. For this purpose, a questionnaire was designed and put to them to look into their thought flow based on the items that appeared in the national level evaluation. As a result of analyzing their answers, even though all the prospective teachers correctly described the concept of radiative equilibrium, about 90% of them did not apply the concept of radiative equilibrium to the new environment of the Earth without atmosphere. They do not seem to be able to smoothly derive the concept of a new 'interaction' between the changed regions and a new 'equilibrium' that will be reached over a long period of time. In this respect, it is likely that the textbooks had some influence on the formation of their concepts. In particular, high school Earth Science textbooks describe the Earth's radiation equilibrium in a quantitative manner, focusing on the heat budget of the equilibrium state rather than the process of reaching radiation equilibrium. Such an approach of textbooks might be an obstacle to fostering students into creative convergence-type talents pursued in the 2015 revised curriculum. Meanwhile, in order to eliminate the misconceptions of students often found in the understanding of Earth's radiation equilibrium, this study suggests that the core concepts need to be dealt with more attention even in college courses for training prospective teachers.

이 연구는 예비 지구과학 교사들이 지구 복사 평형을 이해하는 데에 있어서 '평형'이라는 개념과 '지구의 권역 간 상호 작용'을 어떻게 인식하고 있는지를 탐색하며, 이들이 갖는 오개념을 규명하고자 하였다. 이를 위해 국가 수준의 평가에서 등장한 문항을 중심으로 이들의 사고 흐름을 들여다 볼 수 있는 질문지를 설계하여 이들에게 투입하였다. 이 설문지의 답변을 분석한 결과, 모든 예비 교사들이 복사 평형 개념을 바르게 서술하였음에도 불구하고, 이들의 약 90%는 복사 평형 개념을 대기가 없는 새로운 지구 환경에 확대 적용하지 못하였다. 이들은 변화된 권역간 새로운 '상호 작용'의 개념 및 오랜 시간에 걸쳐 도달하게 되는 새로운 '평형'의 개념을 원활히 이끌어내지 못하는 것으로 보인다. 이러한 점에서, 예비 교사들의 이러한 개념 형성에 교과서가 어느 정도 영향을 주었을 것으로 보인다. 특히, 고등학교 지구과학 교과서에서는 지구가 복사 평형에 도달하는 과정보다는 평형 상태에서의 열 수지에 초점을 두어 복사 평형을 정량적 방식으로 설명하고 있다. 교과서의 이러한 접근 방식은 학생들을 2015 개정 교육과정에서 추구하는 창의융합형 인재로 육성하기에는 걸림돌이 될 수 있을 것이다. 한편, 지구 복사 평형의 이해에서 자주 발견되는 학생들의 오개념 해소를 위해서 이 연구는 예비 교사를 양성하는 대학 과정에서도 지구 복사 평형의 개념에 대해 좀 더 주의 깊게 다뤄져야 함을 제안한다.

Keywords

Acknowledgement

이 논문은 공주대학교 연구년 사업에 의하여 연구된 것임.

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