AU - خلف، كريم بلاسم. AU - الشباني، هدى صباح مالك AB - The importance of the current research comes as a result to society's call now for the most suitable ways and means of communicating information to the pupil, because of the large increase in the accumulated knowledge and concepts. In addition, this requires using effective strategies and planning to make it easier for pupils to acquire knowledge and concepts of biotechnology in particular. The goal of current research is to know the effectiveness of the strategy of the roundhouse ring in the acquisition of biotechnology concepts by the pupils of the fourth scientific grade. The following zero hypothesis was designed to validate the study's aims: There is no statistically significant differences at level (0.05) between the mean of pupil’s achievement marks in the experimentation group who studies according strategies of roundhouse and those of the control group pupils who studies the ordering way in the achievement test of biology Concepts. (Published Abstract) http://search.shamaa.org/abstract_en.gif ID - 120099 OP - ص ص. 75-88 T1 - فاعلية التدريس باستراتيجية البيت الدائري في اكتساب المفاهيم الاحيائية لدى طالبات الصف الرابع العلمي [مقال] UL - 1 https://www.iasj.net/iasj/article/61693 النص الكامل (PDF)