Present study aimed to measure the effectiveness of the Demonstration Method and Experimental Method For 'Specified Experiments' In Science and Technology Subject in Class VIII. Researcher used random sampling technique for the selecting the students in both groups. In each group of 32-32 students were selected randomly through lottery method. Researcher used achievement test for measuring the effectiveness of the both method and used opinionnaire for getting the opinion of the students regarding this both methods. Researcher used ANCOVA, percentage and chisquare test as analysis technique. Both the methods were equally effective on the achievement of the students of std. 8 in science and technology.