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Laburu, Carlos Eduardo; Niaz, Mansoor – Journal of Science Education and Technology, 2002
Analyzes (n=32) Brazilian secondary school students' interactions (conflicts, controversies, and arguments) as they participate in an intact 9th grade classroom activity designed to facilitate their understanding of heat energy and temperature. Reports that the differentiation between heat energy and temperature constitutes considerable…
Descriptors: Concept Formation, Energy, Epistemology, Foreign Countries

Niaz, Mansoor – Science and Education, 2000
Establishes a relationship between students' understanding of gases and its parallels in the history of science. Finds that college freshman students' alternative conceptions about gas behavior are resistant to change and recapitulate theories scientists held in the past, such as the Lattice Theory of Gases. (Contains 52 references.) (Author/WRM)
Descriptors: Chemistry, Epistemology, Foreign Countries, Higher Education