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Direct linkGauthier, N. – International Journal of Mathematical Education in Science and Technology, 2005
The equation of motion for a mass that moves under the influence of a central, inverse-square force is formulated and solved as a problem in complex variables. To find the solution, the constancy of angular momentum is first established using complex variables. Next, the complex position coordinate and complex velocity of the particle are assumed…
Descriptors: Motion, Scientific Concepts, Kinetics, Mechanics (Physics)
Hsu, Ying-Shao – Journal of Educational Computing Research, 2004
In this study, an interactive process in a Web-based learning environment was planned for the cultivation of students' cooperative learning skills and capacity for scientific inquiry. Based on detailed analyses of students' computer protocols, interview protocols, and test scores, this project sought to analyze the changes in students' scientific…
Descriptors: Scientific Concepts, Internet, Educational Environment, Web Based Instruction
Peer reviewedGriffiths, Alan K.; Preston, Kirk R. – Journal of Research in Science Teaching, 1992
Identifies misconceptions related to the fundamental characteristics of atoms and molecules held by twelfth-grade students. Data were obtained by administration of semistructured interviews to a stratified, random sample of 30 students. Fifty-two misconceptions were observed and reported. Some of the misconceptions identified parallel the…
Descriptors: Chemistry, Educational Research, Grade 12, Misconceptions
Kjaernsli, Marit; Lie, Svein – Scandinavian Journal of Educational Research, 2004
In this paper we have set out to search for similarities and differences between the Nordic countries concerning patterns of competencies defined as scientific literacy in the Programme for International Student Assessment (PISA) study. The first part focuses on gender differences concerning the two types of competencies, understanding of…
Descriptors: Foreign Countries, Scientific Literacy, Thinking Skills, Gender Differences
Oshima, Jun; Oshima, Ritsuko; Murayama, Isao; Inagaki, Shigenori; Takenaka, Makiko; Nakayama, Hayashi; Yamaguchi, Etsuji – International Journal of Science Education, 2004
This paper reports design experiments on two Japanese elementary science lesson units in a sixth-grade classroom supported by computer support for collaborative learning (CSCL) technology as a collaborative reflection tool. We took different approaches in the experiments depending on their instructional goals. In the unit 'air and how things…
Descriptors: Hypothesis Testing, Elementary School Science, Science Instruction, Foreign Countries
Reis, Pedro; Galvao, Cecilia – International Journal of Science Education, 2004
This article discusses the results of a mainly qualitative study into possible impacts of recent controversial socio-scientific issues on a group of Portuguese secondary school students regarding their conceptions about scientists. The 86 participants: (1) answered a questionnaire with open-ended questions; and (2) wrote a science fiction story…
Descriptors: Scientists, Secondary School Students, Science Fiction, Foreign Countries
