• 제목/요약/키워드: earth science concepts

검색결과 217건 처리시간 0.02초

한일 초등 예비교사들의 천문학 기초개념 이해와 천문학에 대한 태도 (Comparison of the Pre-service Elementary Teachers' Understandings of the Basic Concepts of Astronomy and Their Attitudes Toward Astronomy between Korea and Japan)

  • 이면우;장은숙
    • 한국지구과학회지
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    • 제28권7호
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    • pp.789-802
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    • 2007
  • 이 논문에서는 한국과 일본의 초등 예비교사들이 가지고 있는 천문학 기초개념에 대한 이해 정도와 천문학에 대한 태도를 조사하여 비교하였다. 천문학 기초개념 및 지식은 1998년에 천문교육연구협의회(The Collaboration for Astronomy Education Research, CAER)에서 개발한 천문학진단검사지(Astronomy Diagnostic Test, ADT ver.2.0)의 21문항에서 한일 양국의 중등학교 교육과정을 고려하여 선정한 12개 문항을 양국의 언어로 번안하여 투입하였다. 천문학 기초개념 및 지식에 대한 검사문항의 신뢰도는 0.69이었다. 천문학 태도에 대한 검사는 제일릭 등(Zeilik et at., 1999)이 개발한 천문학태도조사지(the Survey of Attitudes Towards Astronomy, SATA)를 그대로 번역하여 사용하였다. 신뢰도는 0.87이었다. 조사 결과 천문학 기초개념에 대한 한국의 예비교사들의 정답률은 38%이었고 일본은 37%이었지만, 통계적으로 유의미한 차이는 없었다. 천문학에 대한 태도에서는 한국의 초등 예비교사가 일본보다 높았다. 특히 천문학에 대한 인지적 능력과 가치의 범주는 통계적으로 유의미한 차이가 있었다(p<.05). 이 연구를 통해 부가적으로, 한국과 일본의 초등 예비교사들의 가진 천문학 기초개념이 지식의 수준이 40%, 미만이었으며, 천문학에 대한 태도 점수가 미국의 대학생들에 비하여 상당히 낮다는 점을 발견할 수 있었다.

목포 자연사 박물관의 전시특성 및 중학교 과학교육과정과의 비교 분석 (Presenting Characteristics of Mokpo Natural History Museum and Comparative Analyses to them with Middle School Science Curricula)

  • 고영구;김종희;박철규;오강호;윤석태
    • 대한지구과학교육학회지
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    • 제1권1호
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    • pp.41-51
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    • 2008
  • For teaching-learning to geological region of earth science part in science education, middle school, the practical uses of natural science museum are very effective. So, the appropriate uses of the natural science museum are necessary for the teaching and learning of Science Education. This study aims to consider the presentation characteristics of the natural science museum and to examine how is effective it to geological region in middle school science curricula on those uses. From the results, the natural science museum is low in multi-sided and open-endedness presentation characteristics but high in ones of accessible characteristic. And its presentations are good in multimodal characteristics using supported materials but relatively low in relevant and multimedia ones. In the museum, diorama and self-performing presentation types are not but internet ones are most. The presentations of the natural science museum are mainly assigned to knowledge region linked to basic science concepts but relatively insufficient in STS aspects, on the basis of connection the presentations with middle school science curricula. It is respected that these insufficiencies might be diminished by variable arrangements of and explanations to the presentations for understanding improvements. And, applies to the presentations in STS may be encountered, if multi-sided observations to them is available.

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한국과 북한의 초·중등학교 지구과학 내용의 연계성에 대한 비교연구 (A Comparative Study on the Connection between Elementary and Secondary Science Contents of DPRK and Republic of Korea)

  • 장문수;권치순
    • 한국지구과학회지
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    • 제25권7호
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    • pp.558-564
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    • 2004
  • 한국과 북한의 초등학교와 중등학교 과학 교과서의 학습내용을 TIMSS의 분석틀에 따라 비교하고 그 연계성을 조사하였다. 분석 결과 한국과 북한의 과학 교과서 내용은 TIMSS 지구과학 영영 내용 분석틀의 학습요소들을 상당히 많이 공통적으로 다루고 있으나 그 내용의 수준과 범위는 한국의 교과서가 북한의 교과서보다 탐구적이고 정량적으로 기술되어 있는 것으로 나타났다. 그리고 TIMSS의 지구과학 영역 내용 분석틀의 내용요소 총 70개 중에서 한국은 74.4%에 해당하는 52개의 내용요소가, 북한은 67.1%에 해당하는 47개의 내용요소가 초 ${\cdot}$ 중등학교에 각각 반영되어 있고, 학교급간 관련 정도는 한국의 경우 초등학교와 중등학교 간의 관련성이 높은 반면에 북한은 고등학교 내에서의 관련성이 더 높게 나타났다. 한국과 북한의 과학 교과서 내용요소의 연계성 유형은 한국의 경우 13.4%가 중복, 77.0%가 연계, 9.6 %가 격차를 보였다. 그리고 북한은 14.9%가 중복, 63.8%가 연계, 21.3%가 격차를 보였다. 이로써 한국의 과학 교과서의 내용이 북한에 비해 보다 탐구적이고 정량적으로 기술되어 있으며, TIMSS의 지구과학 내용요소가 보다 많이 반영되어 있고, 내용(개념)의 연계가 보다 잘 이루어져 있음이 밝혀졌다.

초등학교 과학수업에서 개념원도의 활용 (The Use of Concept Circle Maps in Science Teaching of Elementary School)

  • 구덕길;이유미;배영부
    • 한국지구과학회지
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    • 제24권7호
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    • pp.595-603
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    • 2003
  • 이 연구는 서울 지역 소재 3개 초등학교 103명의 4학년 학생들을 대상으로 사회적 구성주의 교수학습모형을 적용한 후 학생들이 가지는 개념의 변화를 분석하였다. 특히, 사회적 구성주의 교수학습모형의 개념원도 활용 수업 전후 학생들의 개념 변화를 지필고사로 평가, 조사하였다. 103명을 대상으로 개념원도를 도입한 수업을 1개월 동안 실시한 전후 지필고사를 실시하였다. 연구결과에 따르면, 개념원도를 적용한 수업은 유의미하게 학생들의 개념을 신장시킨 것으로 나타났다. 결론적으로, 개념원도를 적용한 사회적 구성주의 교수-학습모형은 진단평가, 형성평가에 도입할 가치가있는 것으로 고찰되었다.

초등과학영재를 위한 '지구와 달' 단원의 STEAM 교수·학습 프로그램 개발 및 적용 (Development and Application of the STEAM Teaching-Learning Program in 'Earth & Moon' Unit for Science Gifted Elementary School Students)

  • 정상윤;손정주
    • 과학교육연구지
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    • 제37권2호
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    • pp.359-373
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    • 2013
  • 본 연구는 초등학교영재를 대상으로 '지구와 달' 단원에 대한 STEAM 교수-학습 프로그램의 개발 및 적용 한 후 효과를 알아보는 것이 목적이다. 개발된 프로그램의 타당도는 3인의 전문가에 의해 검증되었다. 프로그램은 총 8차시로 구성되고, 8일에 나누어 진행 되었다. 녹음 수업, 수업 관찰 일지 및 기록 인터뷰 전사 데이터를 측정 한 후 효과를 분석 하였다. 연구 결과로는 '상황 제시'가 아주 중요한 단계임이 확인되었고, 주어진 상황에 대한 이해의 정도는 작업 약속, 과학적 개념 창조적인 디자인과 산출물의 형성에서 영향이 나타났다.

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우리나라 지구물리학의 현황과 미래 전망 (Current Status and Perspectives of Korean Geophysics)

  • 권병두
    • 한국지구물리탐사학회:학술대회논문집
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    • 한국지구물리탐사학회 2007년도 특별 심포지엄 논문집
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    • pp.1-14
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    • 2007
  • This paper briefly reviews the history of the Korean geophysics and analyze the current status of geophysical researches. And the future prospects of geophysics are discussed based on social demands for the science and technology in Korea. About thirty universities offer geophysics courses in their academic curricula. Although the number of Ph.D. graduates in geophysics had been small until the year of 1990, but is rapidly increasing. In recent years about $7{\sim}8$ Ph.D's are produced every year. The major geophysical methods used in Ph.D. theses are seismic, electrical and electromagnetic methods, and earthquake waves and research themes are computational geophysics, which involve data processing, modelling, inversion and tomography, geological structures, and paleomagnetic studies in the order of numbers. The Solid Earth Geophysics is generally distinguished in two categories such as "Global Geophysics" and "Exploration Geophysics". However, they are intimately connected, and overlap in many sectors, especially in large scale research projects. The global geophysics has a more academic and general scientific meaning, and several research groups in Korean universities are carrying out the earthquake seismology and paleomagnetic studies. On the other hand the exploration geophysics focuses on practical application of geophysical concepts, and the public research institutes conduct large projects for exploration of energy and mineral resources and to cope with environmental and natural disaster problems. The geophysical studies for local geology and regional crustal structure utilize various survey methods and usually cover both academic and exploration purposes. The computational geophysics constitutes the indispensable theoretical backgrounds for all geophysical sectors. Many young Korean geophysicists, who have strong background in mathematics and physics, devote to the computational geophysics and several groups have made the internationally highest level achievements. But, Korean geophysicists have to expand their research interests to include more global-scale, high-tech researches and collaborative works with various other science groups.

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초등학생들의 퇴적암에 대한 인식 조사 (The Perception of Elementary Students Regarding Sedimentary Rock)

  • 김덕호;홍승호
    • 한국초등과학교육학회지:초등과학교육
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    • 제33권2호
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    • pp.258-272
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    • 2014
  • The purpose of this study is to investigate the perception on sedimentary rock in elementary science 'Earth and Space' domain for elementary school students. For this purpose, questionnaires on the sedimentary rock perception were developed. And the sedimentary rock perception was examined for random sampling of 5th and 6th grade 656 students. As a result, students chosen incorrect answers of the average 53.8% for questions of sedimentary rock perception. Over the average rate of incorrect answers in 18 questions were 10 questions (3 in the creation of sedimentary rock, 5 in the classification of sedimentary rock, 2 in the sedimentary layer). When the results were stratified by residence, grade and gender, there were significant differences in 8 questions between students in urban and rural areas, in 6 questions between 5th and 6th grade students, and in 3 questions between male and female students. The study that understanding of elementary students for sedimentary rock can be provided for form the master planning the teaching strategy to student's scientific concepts in elementary school. The results are also contributed to find an effective ways for modify misconceptions of sedimentary rock to the scientific concepts.

초등학생들의 화석에 대한 인식 조사 (Elementary Students' Perception Analysis on Fossil)

  • 김덕호;홍승호
    • 한국초등과학교육학회지:초등과학교육
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    • 제32권4호
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    • pp.503-514
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    • 2013
  • The purpose of this study is to investigate the perception on fossil in elementary science 'Earth and Space' domain for elementary school students. For this purpose, the fossil perception inventory was developed. And the fossil perception was examined for random sampling of 5th and 6th grade 635 students. As a result, students chosen incorrect answer of the average 30.8% for questions of fossil perception. Over the average rate of incorrect answers in 20 questions were 8 questions(3 in the definitions for fossil, 2 in the creation of fossil, 2 in the fossil, sedimentary, stratum, 1 in the understanding for fossil). When the results were analyzed by residence and grade, there were significant differences in 7 questions between students in urban and rural areas, and between 5th and 6th students, there were important contrasts in 4 questions. The data that understanding of elementary students fossil can be provided for form the basis planning the teaching method to correct student's scientific concepts in elementary school. The results are also contributed to find an effective way for modify misconceptions of fossils to the scientific concepts.

2007과 2009 개정 과학교과서에 제시된 달의 위상 변화 삽화에 대한 초등학교 5학년 학생들의 이해 (Elementary School 5th Students' Understanding of the Illustrations on the Phase change of the Moon in Science Textbook of 2007 and 2009 Revised National Curriculum)

  • 양일호;김정연;임성만
    • 대한지구과학교육학회지
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    • 제8권1호
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    • pp.56-65
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    • 2015
  • The purpose of this study is to investigate how elementary school student understands or students understand the illustrations on the phase change of the Moon in science textbook and to find out how textbook illustration helps students form the conception of the phase change of the Moon. To identify this purpose, we selected illustrations on the phase change of the Moon in the science textbook revised in 2007 and 2009 revised science textbook. For this study we selected and interviewed 20 students in the fifth grade. We integrated all data collected through interviews and created a transcription and a protocol and then, confirmed scientific conceptions related to the phase change of the Moon in students' illustration reading. The result are as followings: First, students read more scientific conceptions related to the phase change of the Moon in illustration of the 2009 revised science textbook which is presented with the universal observer's view point and the earth observer's view point. Second, students who find meaning in the various elements of the illustration and interpret with the integration of the various elements, get a lot of relevant information from illustration. All students have no differences recognizing the elements presented in illustration. But there are differences of contents of illustration reading depending on how students interpret the illustrations with integration of the various elements and if students cannot figure out the four scientific concepts needed to understand the phase change of the Moon, they ignore the information provided by illustration or analysis in their own way according to information provided by illustration. So misconception appears in this process.

계절의 변화 원인에 대한 초등학생들의 설명에서 확인된 정신 모델과 묘사적 몸짓의 관계 분석 (The Relationship between the Mental Model and the Depictive Gestures Observed in the Explanations of Elementary School Students about the Reason Why Seasons change)

  • 김나영;양일호;고민석
    • 대한지구과학교육학회지
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    • 제7권3호
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    • pp.358-370
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    • 2014
  • The purpose of this study is to analyze the relationship between the mental model and the depictive gestures observed in the explanations of elementary school students about the reason why seasons change. As a result of analysis in gestures of each mental model, mental model was remembered as "motion" in case of CM-type, and showed more "Exphoric" gestures that expressed gesture as a language. CF type is remembered in "writings or pictures," and metaphoric gestures were used when explaining some alternative concepts. CF-UM type explained with language in detail, and showed a number of gestures with "Lexical." Analyzing depictive gestures, even with sub-categories such as rotation, revolution and meridian altitude, etc., a great many types of gestures were expressed such as indicating with fingers, palms, arms, ball-point pens, and fists, etc., or drawing, spinning and indicating them. We could check up concept understandings of the students through this. In addition, as we analyzed inconsistencies among external representations such as verbal language and gesture, writing and gesture, and picture and gesture, we realized that gestures can help understanding mental models of the students, and sometimes, we could know that information that cannot be shown by linguistic explanations or pictures was expressed in gestures. Additionally, we looked into two research participants that showed conspicuous differences. One participant seemed to be wrong as he used his own expressions, but he expressed with gestures precisely, while the other participant seemed to be accurate, but when he analyzed gestures, he had whimsical concepts.