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. In this study, we investigated the unsuitable cases for the hierarchy of the curriculum in science'teaching-learning lesson plan' which is on the web site of the each city's support center for teaching and learning and Seoul Science Park with a purpose of giving helpful data for science teachers at lessons. The investigation is limited to 'Three states of matter' unit for the 7th grade and the content elements used at analysis was the "state changes of matter", "molecule" and "molecular model". The case found for unsuitable case for the hierarchy of the curriculum was phase equilibrium, ice crystal theory, peculiar property of water, classification of solid, thermal energy and physical change at the "state changes of matter". While the "molecular model" showed molecular motion and density. On the other hand, no case was found at "molecule". Keywords: Science curriculum, Teaching-learning lesson plan, Three states of matter

journal of the korean chemical society

Study on the Unsuitable Case for the Hierarchy of the Curriculum through the Analysis of the Science Teaching-Learning Lesson Plan Focused on 'Three States of Matter' Unit of the 7th Grade