The effect of using the strategy of numbered heads in the achievement of students in the second grade intermediate in history and the development of their scientific thinking

Abstract

the present period can be characterized by the scientific development and rapid technological evolution since the contemporary international experiences are proved undoubtly that the starting of people progress and advancement  lies in their possession of the elements of science and scientific life. Cooperative learning of modern educational methods, that calls for linking the school with veality is sins it is based on the formation of a cohesive group is homogeneous can be organized in small groups, they also check the psychological needs of students in the course material on the other hand besides acamiving of gromp work spirits