Yazar "Kalkan, Huseyin" için listeleme
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Basic Astronomy Concepts in the Footsteps of Eratosthenes
Kalkan, Huseyin; Kiroglu, Kasim; Turk, Cumhur; Bolat, Mualla; Kalkan, Selami; Aslanturk, Ali (Elsevier Science Bv, 2014)Based on Eratosthenes' method of "Measuring the Circumference of Earth," dating from 276 BC, this study is the result of a five-day, three-stage, science school, "I am Learning about My Planet" with the intent of having ... -
The Effect of Planetariums on Teaching Specific Astronomy Concepts
Turk, Cumhur; Kalkan, Huseyin (Springer, 2015)This study aimed to determine students' knowledge levels related to specific astronomy concepts and the effect of a planetarium environment on teaching. The study sample included seventh-grade (12-13 years old) students. ... -
Teaching seasons with hands-on models: model transformation
Turk, Cumhur; Kalkan, Huseyin (Routledge Journals, Taylor & Francis Ltd, 2018)The purpose of this study was to examine the effects of using hands-on' models (HOMs) to teach the subject of seasons - a topic about which students often have misconceptions - on students' expressed models. To this end, ... -
(Z)-6-[(2-Fluorophenyliminio)methylene]2,3-dihydroxyphenolate
Petek, Hande; Albayrak, Cigdem; Agar, Erbil; Kalkan, Huseyin (Int Union Crystallography, 2006)The title compound, C13H10FNO3, crystallizes in a zwitterionic form. The dihedral angle between the aromatic rings is 21.69 (9)degrees. O-H center dot center dot center dot O hydrogen bonds generate a centrosymmetric ...