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The effect of students' perceptions of nature of matter on their laboratory attitudes and their achievement in chemical equilibrium

Celik, Ayse Yalcin; Sagir, Safak Ulucinar; Armagan, Fulya Oener (ELSEVIER SCIENCE BV, 2009)

One of the basic subjects that chemistry students have difficulty is chemical equilibrium. Learning of the particulate nature of matter can increase students' achievement in this subject. In addition to this, students' ...

The effects of students' problem solving skills on their understanding of chemical rate and their achievement on this issue

Armagan, Fulya Oener; Sagir, Safak Ulucinar; Celik, Ayse Yalcin (ELSEVIER SCIENCE BV, 2009)

Problem solving is a part of thinking. There are several steps of problem solving. The first thing which is necessary for solving personal and organizational problems is the knowledge of problem solving process. Students ...