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Elementary Students' Conceptual Changes on the Geological Stratum by Cognitive Conflict Strategy  

Na, Jin-Ho (Keumkog Elementary School)
Jung, Mee-Young (Kyoungsoo Elementary School)
Kyung, Jai-Bok (Department of Earth Science Education, Korea National University of Education)
Publication Information
Journal of the Korean earth science society / v.26, no.8, 2005 , pp. 777-789 More about this Journal
Abstract
Study courses using cognitive conflict strategy about geological stratum were performed on the 6th grade elementary students and their conceptual changes were investigated. Some misconceptions about geological stratum that the students have are as follows: (1) stratum was formed due to volcanic eruption, (2) gneiss composes the geological stratum, (3) folds in the stratum were formed due to vertical pressure from the top. The classes had positive effects on the changes of some the misconceptions: (1) the places where the stratum is filmed, (2) the kind of rock in the stratum, and (3) the reason for folding. However, there were no significant changes in the following items: (1) the reason that every layer consists of different sizes of grains. It shows that some misconceptions can be changed easily by cognitive conflict strategy, while others can not. We checked the students who didn't change their misconceptions after the test. These students have very strong misconceptions that most of the natural phenomena on the earth's surface are due to the internal heat pressure, and volcanic activity. Another affecting the students' misconceptions are the role of teachers in class and mass media, such as TV.
Keywords
cognitive conflict; misconceptions; geological stratum; conceptual change;
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