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Johnson, Philip; Papageorgiou, George – Journal of Research in Science Teaching, 2010
In response to extensive research exposing students' poor understanding of the particle theory of matter, this article argues that the conceptual framework within which the theory is introduced could be a limiting factor. The standard school particle model is characterized as operating within a "solids, liquids, and gases" framework.…
Descriptors: Feedback (Response), Concept Formation, Foreign Countries, Science Instruction