Arab Educational Information Network

Current research aimed to develop achievement and critical thinking in physics for first secondary grade students by using "common knowledge construction model". The chapter" circular movement" from physics course was chosen for the year 2013-2014,then the preparation of the learning materials " teacher and learner guides according to " common knowledge construction model". To achieve the aim of the research two tools of research was built " achievement test and critical thinking test. The research was applied on the research group which its number is (100) students in Giza governorate. The results of research were the effectiveness of "common knowledge construction model" in the development of achievement and critical thinking in physics for first secondary grade students, and superiority of boys of experimental group over girls in achievement and critical thinking. (Published Abstract)