HUDIYANTO. “ The Use of Wordwall Media to Improve Students Vocabulary Achievement in the Seventh Grade of Junior High School.(An Action Research on the seventh Grade Students of MTs NU Petarukan Pemalang in Academic Year 2017/2018)”. Strata 1 Program Faculty of Teacher Training and Education, Pancasakti University Tegal. Keyword: Wordwall Media as Learning technique, students’ vocabula…