A TEENAGER’S VOCABULARY ACQUISITION AND ENGLISH INTEREST AS A SECOND LANGUAGE

English as second language in Indonesia makes some people especially teenagers have less of vocabulary whereas vocabulary is as the way how they can speak English. The purpose of this research was to find out the English vocabulary acquisition and interest of English in teenager. This study is conducted by using qualitative research. The subject of this study is one of teenager studying in junior high school. The researcher observed the improvement of his vocabulary during three weeks for six meetings and found a significant development of his vocabulary acquisition. The teenager can get new vocabulary from English songs and stories. The new words he found from the song and the story add his vocabulary because those are the new words he ever heard. He also got the new vocabulary from the teacher who gave him the vocabulary of things. Based on the data analysis and finding, it can be concluded that the English interest affects the vocabulary acquisition in English as second language for the teenager. The teenager can acquire the vocabulary by listening to English songs, English stories and the vocabulary he got directly from the teacher. The interesting way of acquiring the English vocabulary is also very important to improve someone’s vocabulary .