경연 대회를 통한 초ㆍ중고생의 창의력 신장 효과에 관한 연구

이희복,육근철,류해일,김현섭,김희수,박달원,유병환,김선효,김여상,서광수,변두원,서명석,배성효,박종석,심규철,이성희 공주대학교 과학교육연구소 2001 과학교육연구 Vol.32 No.1

미래 사회를 대비하기 위한 개인의 개성을 존중과 창의적인 능력을 지닌 인간을 양성을 목적으로 충청남도 지역의 초 ㆍ 중고등학생들을 대상으로 한 창의력 경연대회가 공주대학교 과학교육연구소에서 개최되었다. 충청남도 초 ㆍ중 ㆍ 고등학생들을 대상으로 실시한 창의력 경연대회는 창조적 아이디어를 내어 스스로 문제를 해결해 나갈 수 있는 교육 프로그램을 제공하는 좋은 기회였음이 확인되었으나, 일부의 팀에서만 참신하고 재미있는 아이디어들이 제안되었다. 여학생의 참가자 수가 상당히 증가하였으며, 대체적으로 입상권의 학생들의 상당 부분이 여학생이라는 것이 특이할만하다. 학년이 올라감에 따라서 창의적인 아이디어를 내는 양이나 질에 있어서 뒤떨어지는 것으로 분석되었으며, 토론 학습의 적응력이 미흡하고 발표력 및 청취력에 있어서도 떨어지는 것으로 나타났다. 따라서 중 ㆍ고등학교의 학교교육에서도 학생들에게 프로젝트형 탐구학습 프로그램의 적용은 물론 토론식 수습을 통한 학생들의 사고의 전환의 기회를 제공해야 할 것으로 사료된다. The creativity competition was held to foster the creativity of elementary and secondary school students in the Institute of Science Education, Kongju national University. It was found that the creativity competition effected on the improvement of inventing creative ideas and problem solving activities. But, only some competitors participated in semifinal and final contests, presented original and interesting ideas. More female students participated in competition than last year. More female participants were awarded a prize than males. Totally, participants were defective in discussion and communication, and presentation and listening ideas. Increasing grades correlated inversely with creativity and originality. There is need of inquiry project teaming programs and presenting opportunities of conversion of thinking by discussing instructions in school

무릇 (Scilla scilloides Complex) 4배체와 5배체 재분화 식물에서 염색체의 안정성

김보선,김수영,구달회,방재욱 충남대학교 기초과학연구소 2002 忠南科學硏究誌 Vol.29 No.1

무릇 (Scilla scilloides complex)은 백합과에 속하는 인경 식물로 염색체 조성이 A (x=8)와 B (x=9)의 두가지 게놈의 조합에 의해 다양한 세포유전적 다양성을 보이는 식물이다. 본 연구에서 이들 유형 중 4배체인 ABBB (2n=35)와 BBBB (2n=36+1F+1f), 5배체인 AABBB (2n=43) 등 게놈 유형이 다른 재분화 식물에서 염색체 변이와 함께 A 게놈과 B 게놈의 안정성을 조사한 결과, 염색체 안정성은 ABBB, BBBB 및 AABBB에서 각각 65.9%, 57.0%, 88.3%로 나타나 이질 5배체인 AABBB 유형에서 높은 안정성을 보였으며, BBBB 유형에서 낮게 나타났다. 재분화 식물에서 나타나는 표현형도 세포 유형별로 잎의 개수는 ABBB, BBBB, AABBB에서 각각 1~3, 1~2, 1~2개로 나타났고, 평균 잎의 수는 0.8개, 1.1개, 1.2개로 나타났다. 꽃의 출현은 ABBB, BBBB, AABBB에서 각각 9.6%, 48.6%, 34.9%의 비율로 나타났다. 개화 시기는 AABBB 게놈 재분화 식물체가 8월초에 가장 먼저 개화하였고, ABBB, BBBB 순으로 개화하여 유형별로 차이를 보였다. Plants of scilla scilloides Complex have various cytogenetic types which are composed of two well-differentiated genome, A (x=8) and B (x=9). Chromosome variation in the regenerated plants developed from the types ABBB (2n=35), BBBB (2n=36+1F+lF) and AABBB (2n =43) regenerants were investigated. Considerable variation in chromosome number was found in allotetraploid ABBB and chromosome segments (s) were found. Autosomes were well maintained in allopentaploid AABBB. The elimination of B chromosomes was the common phenomenon in the eutetraploid BBBB regenerants. The mean numbers of leaf were 1.2, 1.1 and 1.1 in ABBB. BBBB and AABBB. respectively. The rate of flowering was 9.6%. 48.6% and 34.9% in ABBB, BBBB and AABBB regenerants.

게임 시나리오 동기화 모델 GSSM의 설계 및 구현

김달중,성해경,하수철 대전대학교 산업기술연구소 1999 산업기술연구소 論文集 Vol.10 No.2

기존의 시공간 동기화에 대한 연구는 대부분 멀티미디어 객체의 시간 동기화와 공간 동기화에 관한 연구가 이루어져 왔다. 이러한 연구는 시공간 동기화 표현에 있어서 게임의 운영 상황과 흡족히 일치하지를 못하고 있는 형편이다. 본 논문에서는 시공간 동기화에 대한 연구를 새로 제안된 시간과 공간, 시공간 언명으로 게임 시나리오에 적용하여 표현하고자 한다. 또한 시간과 공간, 시공간 공식으로 제안된 언명을 정형화된 표현법으로 나타내었으며, 게임 시나리오 동기화 모델(Game scenario Spatio-Temporal Synchronization Model : GSSM)을 설계하고 구현하였다. Most previous studies on the spatio-temporal synchronization had focused on either temporal or spatial synchronization of multimedia objects. They are not fully accorded with the status of game operation. In this paper, we apply new proposed temporal, spatial and spatio-temporal assertions for the study of spatio-temporal synchronization to game scenarios and represent them. Proposed assertions are presented with formal representations. Also, we design and implement GSSM(Game scenario Spatio-Temporal Synchronization Model) about assertions.

열린교육을 위한 지구과학 수업의 협동학습 전략 개발

김상달,박수경,주국영 부산대학교 사범대학 과학교육연구소 1997 科學敎育硏究報 Vol.24 No.-

In recent years, open education has been regarded as alternative proposal of traditional classroom. However, open education is not an innovation of educational goals but methological innovation of teaching. The purpose of this study is to analyze the teaching method on open education and to develop cooperative learning strategies for earth science on open education. The results of this study can be summarized as follows. First, the contents of open education were mostly integrated curriculum and the teaching method of open education were mostly small group learning. Second, the teaching method of open education were simillar to traditional small group. For the purpose of synergy in small group, the small group learning of open education will be fulfill of principal conditions of cooperative learning method of composition team, will to cooperate, cooperative skill. Third, through the analyzing of current cooperative learning model, the STAD(Student Team Achivement Division) model is one of the best model for earth science on open education. The five steps of cooperative learning strategies for earth science on open education which was developed in this study were teacher's lecture → team study → quiz (formative evaluation) → marking the elevation grade of each team or student → a notice and compensation of excellent team. The above results therefore implied that; First, it is required to investigate the effects of the cooperative strategies which was developed in this study on open education. Second, it is required to develop effective learning strategies which can be applied to earth science on open education.

적응 안테나 배열에서의 부엽제거에 관한 연구

김달수 동의공업대학 2000 論文集 Vol.26 No.1

In adaptive antenna array system, the effect is varied according to the algorithm used. Some algorithms can detect the direction of arriving signal and separate the signal from the noise when the signal has noise. Other algorithms can make the system very sensitive to momentary signal that comes in rarely and make insensitive to the signal that comes in frequently. Frost model is generally used however it has the problem that convergence speed is slow and that stability is not good. To improve such problem, this paper proposed CMOP algorithm. In addition, the computer simulation result obtained by applying this algorithm to adaptive array antenna.

STS 교육을 위한 지구과학 수업모형의 개발

김상달,박수경,김명랑 부산대학교 사범대학 과학교육연구소 1996 科學敎育硏究報 Vol.23 No.-

We have explored the recent trends in STS education and developed the study model which can be applied to the earth science class in high school. We derived the conclusion that the STS is one of the desirable methodology in science education in general and earth science education in particular. The previous studies on STS have mostly concentrated on the background of the STS itself, instead of practicing STS. The teachers acknowledge the necessacity of the STS and recognize the followings as the prerequisite for the application of STS: development of study material, training of the teachers, restructuring the current curricumum and the adoption of STS in the entrance examination to college. The subjects requring the STS education are found to be environmental pollution, science for living, ethics of science, health and desease, information communication, destruction of ecosystem and shortage of natural resources. We have focussed on the training of the ability of scientifically solving the various problems arising from social life. The study model developed here can become a useful material for STS education in integrated science and earth science class.

제6차 교육과정의 공통과학 및 지구과학 교육과정 내용에 관한 연구

김상달,박수경,김해동 부산대학교 사범대학 과학교육연구소 1995 科學敎育硏究報 Vol.22 No.-

The purpose of this is study to investigate the background of revision, educational objectives, organization, contents of the high school common science and earth science curriculum in the sixth curriculum, and to analyze problems of this curriculum by making a comparative study between fifth curriculum and sixth curriculum. The characteristics and problems of the common science and the solving methods for these problems are as follows. First, in regard to objectives of common science, the expression of solving capacity for real life should be changed to issues concerning phenomena and changes of environment life. Second, in regard to the contents of common science, degree of integration should be reexamined, because the present common science curriculum is integrated formally, externally. Besides, contents about science history should be included in contents of the present common science curriculum. Third, the problems in teaching common science is to produce teachers who are able to teach integrated curriculum effectively for this in-service for teachers should be implemented near-sighted and the system of science teacher education should be reorganized far-sighted. Forth, available teaching-learning model of common science should be developed for preparing effective teacher's guides and materials. The implication of this study is that it is more necessary to consider problems of sixth common science curriculum and to implement the curriculum in high school.

저수지 여수로에 설치되는 에너지감세공의 효율적 설계기법

김진홍,김달수 광주대학교 1996 産業技術硏究 Vol.7 No.-

저수지 여수로에 설치되는 에너지감세공은 흐름의 운동에너지를 충분히 줄여서 하류 하천에 침식, 세굴을 방지하는 것을 목적으로 여수로의 말단부에 설치된다. 본 연구에서는 저수지 여수로의 에너지감세공을 대상으로 하여 모형 제작과 수리실험을 통해 기존 설계안에 대한 에너지감세공의 부적합성을 지적하고 흐름의 에너지를 효율적으로 줄일 수 있는 적정 형태의 에너지감세공을 제시하였다. 즉, 정수지 말단에 설치된 단순형 end sill을 치형 end sill로 교체함으로써 효율적인 에너지 감세를 이룰 수 있었으며, 흐름은 안정해지고 정수지 측벽의 여유고도 설계 기준치를 만족시킬 수 있었다. 한편 기존 하류 하천의 유속을 검토한 결과 하상 세굴 및 측방 침식이 발생할 우려가 있으므로 하상보호공을 수립하는 것으로 하였다. 하상보호공은 유속에 저항할 수 있는 중량을 가진 돌망태나 콘크리트 블럭 등을 설치하고, 접속부 지점에는 뒷채움 콘크리트를 타설하는 것으로 하였다. The role of energy dissipators installed at the spillway of a reservoir is very important since they reduce a flow velocity and hence protect a downstream bed. If the shape of energy dissipators is not good, the flow velocity can not be reduced and the downstream bed is scoured due to a high flow velocity. So, it is important to determine the optimal shape of the energy dissipators through hydraulic model test. The results showed that the solid end sill installed at the end of a stilling basin was not good since it generated turbulent eddies and could not reduce a flow velocity so much as to protect the downstream bed. A dentated end sill was preferable to a solid end sill since it could reduce a flow velocity and hence prohibit from scouring of a downstream bed. Scouring occurred at the junction part of a stilling basin and a downstream channel due to an insufficient bed protection. So, the concrete backfill at the junction part and the bed protection such as stone paving to the downstream direction were also proposed.

高等學校 地球科學 敎育課程의 構造化

黃水鎭,金相達,文勝義 부산대학교 사범대학 과학교육연구소 1984 科學敎育硏究報 Vol.11 No.-

Through the comparison of old and new high school earth science curriculum, we can draw the following results about structualization of the new high school earth science curriculum. 1) It shows a change of displine centered to humanistic centered curriculum in new ones. 2) By deviding the earth science curriculum into Ⅰand Ⅱ, more over being taken course of them in all high school, the importance of education of earth science is more emphasized. 3) The reason why the structure is considered importantly in Ecucation is to enhance the efficiency of understanding the subject, planning of curriculum, selection of basic knowledge, understanding of discipline, and teaching. 4) For this kind of strutualization, mode of structualization and selection of basic elements of content are required. Major modes of structualion are: method by mode of representation, method by substantive structure and syntactival structure, and method by hierarchical order. The basic element of content for structualization selected at the levels of the following criteria: ideas and themes, rules of principles, basic concepts and factual knowledge.

아마추어 기사의 직업관에 관한 문화기술적 연구

정수현,김달수 명지대학교 예체능연구소 2003 藝體能論集 Vol.14 No.-

The purpose of this study is to analyze amateur baduk players' viewpoint on their lives, especially in relation to their job, by means of participant-observation and in-depth interview. Amateur baduk players are engaged in a variety of baduk activities and have been causing some conflict with the group of professional players because of their ambiguous status. Understanding their way of living and thinking, therefore, will be able to help resolve some troubles aroused by the subtle relationship with an institutional baduk organization The result indicates that. 1) They devote themselves to the baduk-related jobs with a firm consciousness that baduk is of their calling, although they have no license as a professional expert on baduk. 2) They would not have a will to proceed to other realms because they recognize the lack of knowledge and experience about them, which was caused by their long-time absorbtion to baduk. 3) Their everyday life is characterized by low income, unrestricted freedom, and indulgence to drinking. Most of them tend to enjoy getting together for drinking after work and communicating with their colleagues. 4) They have an Utopian concept of baduk, being enthralled by the strong attraction of the game and making an extraordinary effort in the study of it. 5) They seem to keep a deep regret in their mind against their long-cherished dream of being a professional was frustrated. This is sometimes manifested in the movement of organizing an institution hostile to Hankook-Kiwon(Korean Baduk Association). Since this study relies mainly on the researchers' personal interpretations on several amateur players' discourse, it should be investigated in various ways, qualitative or quantitative.