Journal of Korean Elementary Science Education (한국초등과학교육학회지:초등과학교육)

The Korean Elementary Science Education Society (한국초등과학교육학회)
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Pre-Service Elementary Teachers' Understanding of Planetary Revolution Movement and Their Explanatory Models

행성의 공전 운동에 대한 초등 예비교사의 이해와 설명 모델

  • Received : 2021.01.01
  • Accepted : 2021.01.08
  • Published : 2021.02.28
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Abstract

This study investigated pre-service elementary teachers' understanding of the planetary revolution movement of Mars and their explanatory models to show how the Sun-Earth-Mars system worked. An assessment item set using five celestial maps drawn from the Stellarium was designed to probe pre-service teachers' understanding of the prograde-retrograde motion of Mars. Among 23 participants, only four showed scientifically accurate understanding of Mars movement and drawing correct explanatory models for the planetary movement. Even the pre-service teachers who construed correctly prograde and retrograde motions of Mars showed a clockwise movement model due to their intuitive perceptions of Mars movement data from the celestial maps. Pre-service teachers with poor understanding of planetary movement also showed weak explanatory models due to their limited observation or lower spatial thinking. Although the planetary motion is not an easy topic for pre-service elementary teachers, it can be argued if the alternative approach, such as using appropriate observational data of a planet and changing the frames of reference between Earth-based view and Space-based view, is employed effectively in teaching planetary motion, pre-service teachers can reach the upper level of leaning planetary motion in terms of the planet's revolution.

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Acknowledgement

이 연구는 2020년도 서울교육대학교 교내 연구비에 의하여 연구되었음.

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