Development of Student Worksheets Write Project Based Learning-based Explanatory Text for Class xi Senior High School

Aim: The aim of this research is to produce student worksheets using project based learning model, describe the feasibility of students worksheets using project based learning, and determine the effectiveness of students worksheets using project based learning model. Study Design: Research and Development. Background: The problem in this research is related to the development of Student Worksheets writing project-based learning texts of class XI high school learners. The purpose of this study is to produce students worksheet teaching materials to write project-based learning explanatory texts, knowing the feasibility and effectiveness of student worksheets in writing explanatory texts in grade XI high school learners. Research Methods: Methods used in this research and development (R&D) research and also uses two method, qualitative and quantitative methods. Data collection techniques with observations, interviews and deployment of questionnaires at three schools in Metro City. Research Results: The results showed that the product was successfully developed in the form of students worksheet writing project based learning explanatory text, the feasibility of students work sheet as a whole was declared "very feasible" by material experts, learning experts and practitioners with percentages of 82%, 84%, and 85.71%. Students worksheet effectively improves explanatory text writing capabilities with N-Gain by (0.38) (0.38) and (0.37) falls into the "medium" category.