عوضية بشير محمد عمر2017-12-142017-12-142005http://hdl.handle.net/123456789/9589ABSTRACT This research is an attempt to discern the approach of laboratory studies, their importance and objectives. It also aims at closely knowing the problems and obstacles facing the use of such an approach to teaches science in high secondary schools. This study is useful for improving the teaching of science as well as it shows the shortage of laboratories equipment materials and places in high secondary schools. For conducting this study, the research used the descriptive method. The data of stands were collected through questiomlaire. The study came outwith the following results:- 0 Most of the high secondary schools lack the appropriate and well situated laboratories. 0 Most of the labs technicians are unqualified to under take their work. ' 0 Most of the science subject teachers in high secondary schools do not have in service training so as to help them improve their 0 Overloading teaching impact negatively on the lab-based experimental studies. 0 Large numbers of students in the classrooms hinder the teachers fiom using the lab-based teaching and training for students.مناهج و طرق التدريسالمعمل وتدريس العلوم بالمدارس الثانوية بولاية الخرطوم