Vocabulary is an important aspect of learning a language. Students' ability to understand vocabulary depends on how they acquire or learn it. Low students interest in learning is a major factor. Therefore, learning must be directed so that it can arouse students' interest in learning, one of which is by presenting Quizizz as an English learning media in the classroom. This study aims to determine the effect of using Quizizz in increasing English vocabulary and knowing students' perceptions of Quizizz as a learning medium. The population consisted of class VIII students. The sample of this research consists of two classes, namely class VIII-2 as an experimental class and class VIII-1 as a control class. The data obtained were the results of the students' pre-test and post-test. To measure students' perceptions of the use of Quiz, researcher also used a Likert scale questionnaire consisting of 10 statements. The data obtained were then processed using t-test statistics with a significant level = 0.05. From the results of data processing, t count = 8.64 and t table= 1.67 or so that H0 is rejected and H1 is accepted. Based on the testing criteria, it is concluded that student learning outcomes using Quizizz in improving student vocabulary are better than student learning outcomes taught without using Quizizz on wh-question material in class VIII MTsN 2 Aceh Besar. The results of the questionnaire analysis showed that students gave positive responses in applying Quizizz as an English learning media in class. They agreed that the use of Quizizz improved and motivated them in learning.