أثر أنموذج مارازانو في اكتساب المفاهيم الاحيائية و تنمية التفكير الناقد لدى طلاب الصف الخامس العلمي

الملخص EN

The current research aimed to identify the impact of effect Marazano model: 1- acquire biological concepts acquring for students of a fifth-grade science (bio) in biology.

2-thinking Nakda the fifth-grade science students Development (bio) in Biology.

I use the experimental design (with a partial seizure) sets unequal experimental and control group was selected sample randomly from the research community and numbered (63) male and extracted (86) and a key subsidiary and understood (120) behaviorally target was to prepare (60) paragraph test to test the acquisition of concepts and (75) items in the test of critical thinking has been preparing (24) study plan for the two groups was applied experience in the second semester of the academic year (2015-2016) and over (8) weeks ،amounting to acquire the correlation coefficient after correction (91.0) and the correlation coefficient to think about (86.0).