VALIDITAS LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS MODEL PROJECT BASED LEARNING (PjBL) PADA MATERI KEANEKARAGAMAN HAYATI UNTUK PEMBELAJARAN DI KELAS X SMA
This research aims to develop student worksheets based on Project Based Learning models in the biodiversity topic for tenth-grade high school students. The project based learning is a learning model that involve students to develop the abilities and skills of students in planning activities, carrying out research and producing certain products that are framed in one container in the form of a learning project. The method used in this research is the research and development (R&D) method with 4D model which has 4 stages of define, design, develop, and disseminate. Based on result of the research, it was obtained an average media validation result of 80% and material validation result was 84,75% with the categorized “valid”. So it can be concluded that the development of students worksheet based on the project based learning models on the biodiversity material for use in tenth-grade high school students developed with the 4D model is valid for later use in the learning.