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Download full textPodschuweit, Sören; Bernholt, Sascha – Education Sciences, 2020
Conceptual knowledge is a crucial tool for students to understand scientific phenomena. Knowledge about the structure and function of mental concepts potentially helps science educators to foster the acquisition of this tool. Specifically, the coherence of students' mental concepts is an intensely discussed issue within the related conceptual…
Descriptors: Concept Formation, Video Technology, Science Instruction, Scientific Concepts
Direct linkNick, Sabine; Nather, Christian – Journal of Chemical Education, 2007
In July 2004 the 36th International Chemistry Olympiad was held in Kiel, Germany. Competition for medals included 236 students from 61 countries, accompanied by about 150 teachers and other mentors. During this Olympiad the students performed qualitative and quantitative analyses of a superconductor, based on lanthanum barium cuprate. In the…
Descriptors: Chemistry, Test Construction, Science Tests, Competition
