Electronic School Book (BSE) Science for Middle School / MTs Class 7 Semester I 2013 Curriculum. This application was created to make it easier for students to study Natural Science anywhere and anytime. The 2013 BSE curriculum is a free student book whose copyright is owned by the Ministry of Education and Culture (Kemendikbud) which can be distributed to the public for free. The material in the application is sourced from https://buku.kemdikbud.go.id. This application is not an application developed by the Ministry of Education and Culture. This application helps provide learning resources for students but does not represent the Ministry of Education and Culture. The features available in this application are: 1. Links between chapters and sub-chapters 2. Responsive display that can be enlarged. 3. Page Search. 4. Minimalist landscape display. 5. Zoom In and Zoom Out. The material discussed is based on Class VII Middle School Science material, Semester 1 of the 2013 Curriculum Chapter 1 Natural Science Objects and Observations A. Science research B. Measurement as Part of Observation Chapter 2 Classification of Living Things A. Characteristics of objects in the surrounding environment B. How to Classify Living Things C. Classification of Living Things Chapter 3 Classification of Matter and Its Changes A. How to Classify Materials B. How to Separate Mixtures C. Objects that can undergo change Chapter 4 Temperature and Its Changes A. How to Know the Temperature of an Object? B. Changes Due to Temperature Chapter 5 Heat and Its Changes A. Definition of Heat B. Heat Transfer Chapter 6 Energy in Living Systems A. Definition of Energy B. Various Energy Sources C. Food as a Source of Energy D. Energy Transformation in Cells E. Cell Metabolism F. Digestive System