This study about the Vocabulary Aid (VocAid) focused on the acceptability and effectiveness of the material. The goal of the study was to determine how well-accepted science teachers were in the validation of the Vocabulary Aid (VocAid) in science for students in Grade 10. The second objective was to assess how well students were using vocabulary aid (VocAid). The study also looked for a significant difference between the Grade 10 students' pretest and posttest results. Quasi-experiment specifically one-group type and descriptive research design were utilized in the study. The results were interpreted using statistical tools such as Mean, Standard Deviations, and Paired t-test. The subject of the study was a group of fifty (50) former Grade 10 students of San Roque National High School in Victoria, Laguna from S.Y: 2019-2020. Selected fifteen (15) science teachers evaluated the Vocabulary Aid (VocAid) for acceptability in terms of appearance, content, usability, conformity, accuracy, and clarity. The level of acceptability of the Vocabulary Aid (VocAid) in terms of Appearance, Content, Usability, Conformity, Accuracy, and Clarity was Highly Acceptable. Statistical analysis also shows an increase in posttest over pretest which shows that the learners? performance was enhanced. The difference in pretest and posttest is significant as manifested by the probability value less than 0.05 level. Vocabulary Aid (VocAid), a tool to enhance learners' vocabulary skills, was the goal of this research. The results suggest that the Vocabulary Aid is a useful teaching tool for improving students' Science performance. It can be inferred that the instrument can be used in conjunction with subject instruction and discussion. The findings demonstrated that students who use Vocabulary Aid (VocAid), which allows them to quickly generate vocabulary definitions, comprehend science concepts more fully. Hence, the null hypothesis stating that there is no significant difference in posttest and pretest is rejected. In light of the findings and conclusion, it is highly suggested that vocabulary aids (VocAid) be developed for other subject areas to help students improve their vocabulary. In order to make the VocAid more engaging and practical to use, the researcher also advises turning it into a digital app.