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Peer reviewedTeixeira, Francimar Martins – International Journal of Science Education, 2000
Describes children's conceptions of the structure and function of the human digestive system based on an investigation carried out with children aged 4-10 (n=45). Finds that children possess biological knowledge as an independent knowledge domain from the age of four. Discusses acquisition of and barriers to scientific concepts related to human…
Descriptors: Biological Sciences, Cognitive Development, Cognitive Processes, Elementary Education
