The purpose of this study wass to determine whether or not effect of academic stress levels on the learning outcomes of VI grade of SD 3 Bacin students. The subjects of this study consisted of 27 students of VI grade SD 3 Bacin. The method used inthis study is quantitative. Data collection techniques using questionnaires, observation, and documentation. Then the data obtained will be analized using a simple linear regression tes with the help of SPSS version 21 program. The results of data analysis show that the calculated f value = 7.552 and the sig. 0.011. If the sig. < 0.05, then H0 is rejected and H1 is accepted. Conversely, if the sig. > 0.05, then H0 is accepted and H1 is rejected. Based on the result of the hypothesis that has been formulated, it can be concluded that there is significant effects between the level of academic stress on the mathematics learning outcome variables for VI grade SD 3 Bacin because the value is 0.011 < 0.05.

Indonesia has a very large water area and there is the territory that is the confluence of the earth's slabs. It can allowing the occurrence of tsunami natural disasters. The study aims to find out which areas have risks the highest and the lowest land damage. The data used in this study were satellite images taken from 2014-2021 with coverage area in Kulon Progo Regency which consists of 12 sub-districts. This study used indexes vegetation UI, NDBI, IBI, EBBI. With an ANN algorithm get results which is quite accurate with an accuracy rate of 94.50%. Predictions states that the area has a high risk of damage due to the tsunami, namely the villages of Jingkaran, Sindutan, Palihan, Glagah, Karangwuluh, Janten, Temon Kulon, Kedundang, Sogan, Kalidengen, Ngestiharjo, Depok, Kanoman, Panjatan, Wahyuharjo, Pandowan, Nomporejo, and, Kranggan.