PENGEMBANGAN LEMBAR KEGIATAN PESERTA DIDIK (LKPD) PEMBELAJARAN BIOLOGI BERBASIS KETERAMPILAN BERPIKIR KRITIS PADA MATERI EKOSISTEM MTs KELAS VII

Abstract

Development of Student Activity Sheets (LKPD) Biological Learning Based on Critical Thinking Skills on Material Ecosystems MTs Of Class VII aiming to produce LKPD biology learning based on students' critical thinking skills at MTs Negeri 1 Bandar Lampung that is feasible or valid. This type of research refers to research and development (Research and Development). Development of integrated learning science worksheets using 4D models which consists of 4 stages include the Define phase, Design, Develop, and Destiminate. Results of development worksheets that have been said to be feasible then tested on students MTs 1 Negeri Bandar Lampung many as 62 students. Data were collected by using critical thinking skills in the form of 4 essay questions with reliability of class VII C 0.845 and reliability of class VII F 0.902. Based on the data analysis results obtained average pretest value of 52 and posttest 85, with N-Gain 0.69 which indicates an increase in the ability of cognitive and Based on the data analysis results obtained average pretest value of 54 and posttest 86, with N-Gain 0.70 which indicates an increase in the ability of cognitive. Based on these results, it can be concluded that (1) LKPD Based on Critical Thinking Skills on Material Ecosystems   in categories “very worthy or very goodâ€. (2) LKPD Based on Critical Thinking Skills can improve student cognitive MTs Negeri 1 Bandar Lampung.