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Peer reviewedSamarapungavan, Ala; Nakhleh, Mary B. – Journal of Research in Science Teaching, 1999
Reports on an investigation of young children's (n=15) spontaneously constructed or naive understanding of the particulate nature of matter to any formal instruction in the domain. Speculates that children first develop local frameworks particular to different classes of substances, then slowly expand those frameworks to include a wide range of…
Descriptors: Atomic Theory, Cognitive Development, Cognitive Processes, Concept Formation
