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Analysis of the level of cognitive demands about concepts of elements, the periodic table, and atoms on science 2 textbooks in junior high school (I)

Title
Analysis of the level of cognitive demands about concepts of elements, the periodic table, and atoms on science 2 textbooks in junior high school (I)
Authors
Kang S.Bang D.Kim S.-J.
Ewha Authors
강순희
SCOPUS Author ID
강순희scopus
Issue Date
2012
Journal Title
Journal of the Korean Chemical Society
ISSN
1017-2548JCR Link
Citation
vol. 56, no. 4, pp. 518 - 529
Indexed
SCOPUS; KCI scopus
Abstract
The purpose of this study is to analyze the cognitive demands level of the description about 'element', 'periodic table', and 'atom' on the 'science 2' textbooks by the 2007 revised curriculum. The three types of CAT (Curriculum Analysis Taxonomy) have been used to analyze the cognitive demands level of those contents on the 6 kinds of 'science 2' textbooks. The cognitive demands level about 'elements' on many textbooks is a late concrete operational stage, because the descriptions of 'element' are pure substances or no more split into anything simpler substances. That cognitive demands level about one textbook is a early formal operational stage, because the descriptions 'element' are a substance of one kind of atom. The cognitive demands level of 'periodic table' on many textbooks is a late concrete operational stage, because the descriptions about 'periodic table' are the hierarchical classification for the categorizing reality. And the cognitive demands level of 'periodic table' is a early formal operational stage, because the descriptions about 'periodic table' are a collection of 'families' or two-way gradation of elements. That cognitive demands level about one textbook is a late formal operational stage, because the descriptions of 'periodic table' are a complex classificatory structure linking atomic structure. The cognitive demands level about 'atom' is a early formal operational stage because of the descriptions as "atoms have structure, some atoms are the same, or others are different".
DOI
10.5012/jkcs.2012.56.4.518
Appears in Collections:
사범대학 > 과학교육과 > Journal papers
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