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Bretz, Stacey Lowery; Emenike, Mary Elizabeth – School Science and Mathematics, 2012
Chemical principles are taught in elementary education across much of the United States because the "National Science Education Standards" include concepts about the nature of matter, states of matter, and changes in matter among other science concepts within the first to fifth grade levels. "Chemicals" is a word related to the nature of matter…
Descriptors: Elementary School Science, Prior Learning, Grade 4, Scientific Concepts