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Toplam kayıt 12, listelenen: 1-10
The effect of animation enhanced worksheets prepared based on 5E model for the grade 9 students on alternative conceptions of physical and chemical changes
(Elsevier Science BV, 2012)
The aim of this study is to determine the effect of teaching material based on 5E model for overcoming the alternative conceptions related to physical and chemical change. A quasi-experimental design and one control group ...
O-Acetylation: synthesis of acetylated phenols from aryl-methyl ethers over boron alkoxides
(Sage Publications, 2012)
A new acetylation procedure has been applied to 13 aryl-methyl ethers using boron chemistry. In this procedure, demethylation of aryl-methyl ethers and acetylation of the resulting phenols were combined into one procedure ...
The effect of worksheets and animations in alternative concepts related to the issue of solutions
(Sila Science, 2012)
The aim of this study is to determine alternative concepts regarding the solutions in the chemistry curriculum of the 9th grade, to improve teaching material used according to the constructivist teaching method, known as ...
What do think prospective science teachers in different gender and grade level about constructivist approach?
(Sila Science, 2012)
The aim of study is to investigate prospective science teachers' opinions about constructivist approach in respect to the gender and grade level variables. The study was carried out with 560 prospective science teachers ...
Developing an attitude scale towards using instructional technologies for pre-service teachers
(Turkish Online Journal of Educational Technology - TOJET, 2012)
The aim of this study is to develop an attitude scale towards using instructional technologies (USIT) for pre-service teachers. The research was carried out with 1235 pre-service teachers that 567(45.9%) were freshman; 401 ...
A study on developing "Basic Computer Use Performance Scale (BCUPS)" for Primary Students
(Elsevier Science BV, 2012)
Aim of computer courses in primary education is to teach information technology use skills in the light of modern technological developments in Turkey. From this point, the aim of study is develop a scale to uncover of ...
Attitude of elementary prospective teachers towards science teaching
(Elsevier Science BV, 2012)
The aim of study is to investigate attitude of elementary prospective teachers towards science teaching respect to the gender, grade level and graduation type of high school. The study was carried out during fall semester ...
A comparison of chemistry teachers' and grade 11 students' alternative conceptions of 'rate of reaction'
(Sci Methodical Ctr-Sci Educologica, 2012)
The purpose of this study is to compare alternative conceptions of chemistry teachers and Grade 11 students on the subject of 'rate of reaction'. This study was conducted with a total of seventy chemistry teachers and ...
Synthesis and carbonic anhydrase inhibitory properties of novel bromophenols and their derivatives including natural products: Vidalol B
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2012)
A series of bisphenol, bromophenol, and methoxyphenol derivatives (2–24) including the natural bromophenols vidalol B, 3,4,6-tribromo-5-(2,5-dibromo-3,4-dihydroxybenzyl)benzene-1,2-diol (2) and 5,5′-methylenebis(3,4,6-tr ...
Synthesis and carbonic anhydrase inhibitory properties of novel bromophenols including natural products
(Taylor and Francis Ltd., 2012)
(2-Bromo-3,4-dimethoxyphenyl) (3,4-dimethoxyphenyl) methanone (10) and its derivatives with Br, one dibromide and isomeric three tribromides, were synthesized. Demethylation of these compounds afforded a series of new ...