The Outdoor Learning Activities on EFL Vocabularies

: This research was focus to find out the outdoor Learning activities on students' vocabulary of ninenth grade students of SMAN 2 Sungguminasa. This research used pre-experimental method and the population of this research was the tenth grade students of SMAN 2 Sungguminasa Gowa South Sulawesi Indonesia in academic Year 2016- 2017. The Sample of this research used random sampling technique. In collecting the data, the research applied vocabulary test which consisted of two tests namely pre-test and posttest.The result of this research showed that the outdoor Learning activities can improve students' vocabulary mastery. It can be proven by the means score of pre-test and post – test where pre-test 50,63 and post-test 62,46 Post-test is higher than pre-test and t-test value is higher than t-table. The researchers concluded that outdoor Learning activities can improve students' vocabulary mastery of tenth grade students of SMAN 2 Sungguminasa Gowa South Sulawesi Indonesia.