摘要：The result of observation during the teaching internship program (PPL) show that the teaching and learning activities in SMP Mataram Semarang still apply teacher centered learning.Besides,the question and answer session in the teaching and learning activities are still relatively low.Report of the national examination results at SMP Mataram Semarang in the academic year 2014/2015 by BSNP indicate that the absorption of students on the material of addictive substances and psychotropic is still low at 34,29%.An effort to do is to apply the learning model Snowball Throwing through Word Square media.This study aims to investigate the effectiveness of the learning model Snowball throring through Word Square media toward the activity and the result of student’s learning in the material of addictive substance and psycothropic.This research is a Quasi Experimental Nonequivalent Control Group Design.The results of the study showed that the liveliness of experimental group was 92%,while in the control group was 76%.The classical completeness of cognitive achievement in the experimental group was 88%,while in the control group was 48%.The results of t-test showed that there is significant difference on cognitive achievement of the experimental group against the control group.The result of N-gain also showed that the improvement in cognitive achievement of the experimental group was higher than the control group.The classical completeness of affective achievement of the experimental group was 92%,while the control group was 80%.It can be concluded that the learning model Snowball Throwing through Word Square media is effective toward the activity and the results of student’s learning in the material of addictive substance and psychotropic.So,Snowball Throwing through Word Square media can be practice on the material of addictive substance and psychotropic and other material that have same problem.
关键词：Activity;addictive and psychotropic substance;learning result;Snowball Throwing;Word Square
