Penerapan Model Pembelajaran Reciprocal Learning Pada Materi Pemanasan Global…

21st century skills are abilities that every student must have, consisting of 4 competencies which include creativity, critical thinking, communication and collaboration or often called 4C skills. 21st century skills in terms of problem solving abilities are one of the focuses of physics learning. However, the quality of students' problem solving abilities is still relatively low. Students' fai…