Microsoft Word - halaman dalam IRIP-vol2-no1.docx p-ISSN 2621-3761 e-ISSN 2621-2889 IRiP IRiP (Indonesian Review of Physics) is a journal of physics and physics education research. It is compiled with a commitment to enhance quality of the research. Indonesian Review of Physics (IRiP) aims to provide a forum for researchers, lecturers, teacher and student on the topics related to physics and physics education. The journal was first published in 2018 and regularly published twice per year in June and December. Editor in Chief Fatin Aliah Phang Scopus ID: 57192376607 Universiti Teknologi Malaysia Johor Bahru, Malaysia Managing Editor Dwi Sulisworo Scopus ID:55317003800 Universitas Ahmad Dahlan Yogyakarta, Indonesia Advisory International Editorial Boards Akihiko Tomita Scopus ID: 7201880070 Wakayama University Japan Hassan K. Juwhari Scopus ID: 6503859673 University of Jordan Jordan Rungchatchadaporn Vehachart Scopus ID: 6992533300 Thaksin University Thailand Butch O Saulon Nueva caceres University Philippines Muhammad Abdul Hadi Bunyamin Scopus ID: 57195100817 Universiti Teknologi Malaysia Malaysia Budhy Kurniawan Scopus ID: 6602596727 Universitas Indonesia Indonesia Moh Toifur Scopus ID: 570242327000 Universitas Ahmad Dahlan Indonesia Arlene Monslave Saint Anthony University Philippines Yudhiakto Pramudya Scopus ID : 57192652457 Universitas Ahmad Dahlan Indonesia Noorali T Jiwaji Open University of Tanzania Tanzania, United Republic of Tanzania Editorial Asistant Muarif Islamiah Universitas Ahmad Dahlan Indonesia Sari Sri Sukmawati Universitas Ahmad Dahlan Indonesia Endra Putra Raharja Universitas Ahmad Dahlan Indonesia Publisher address: Department of Magister Physics Education, Universitas Ahmad Dahlan (UAD) Kampus 2 Universitas Ahmad Dahlan Jalan Pramuka No. 42, Pandeyan, Umbulharjo, Yogyakarta - 55161 Telp. +62 274 563515, ext. 4902; Fax. +62 274 564604 Email: irip@mpfis.uad.ac.id p-ISSN 2621-3761 e-ISSN 2621-2889 IRiP (INDONESIAN REVIEW of PHYSICS) Vol. 2 No.1, June 2019 Regular Papers: Variation of Mixed Banana peel Substrate and Cow Dung in Biogas Pressure as a Learning Source for Renewable Energy Sources Puspitawati Puspitawati, Riswanto Riswanto, Nyoto Suseno An Experiment Design for Determining the Volume of Traditional Eucalyptus Oil with Variations in Fluid Flow Speed Nur Hamida Siregar, Moh. Toifur, Yudhiakto Pramudya An Analysis of Graduate Students’ Conceptual Understanding in Heat and Temperature (H&T) Using Three-Tier Diagnostic Test Moh. Irma Sukarelawan, Jumadi Jumadi, Nurulhuda Abdul Rahman Investigating The Effects of Activation Temperature on The Crystal Structure of Activated Charcoal From Palm Bunches (Arengga Pinnata Merr.) Vivi Hastuti Rufa Mongkito, Muhammad Anas, Wisda Puspita Bahar Flipped Classroom As a Millenial Teaching Model Irnin Agustina Dwi Astuti, Yoga Budi Bhakti, Ria Asep Sumarni, Dwi Sulisworo, Moh. Toifur Published by Universitas Ahmad Dahlan IRiP Vol.2 No.1 pp. 1-27 Yogyakarta, Juni 2019 p-ISSN 2621-3761 e-ISSN 2621-2889 p-ISSN 2621-3761 e-ISSN 2621-2889 Table of Contents Regular Papers: Variation of Mixed Banana peel Substrate and Cow Dung in Biogas Pressure as a Learning Source for Renewable Energy Sources Puspitawati Puspitawati1, Riswanto Riswanto2, Nyoto Suseno3 1,2,3Muhammadiyah University of Metro, Indonesia 1 An Experiment Design for Determining the Volume of Traditional Eucalyptus Oil with Variations in Fluid Flow Speed Nur Hamida Siregar1, Moh. Toifur2, Yudhiakto Pramudya3 1Darussalam University Ambon, Indonesia 2,3Universitas Ahmad Dahlan, Indonesia 5 An Analysis of Graduate Students’ Conceptual Understanding in Heat and Temperature (H&T) Using Three-Tier Diagnostic Test Moh. Irma Sukarelawan1, Jumadi Jumadi2, Nurulhuda Abdul Rahman3 1Universitas Ahmad Dahlan, Indonesia 2Yogyakarta State University, Indonesia 3Universiti Pendidikan Sultan Idris, Malaysia 9 Investigating The Effects of Activation Temperature on The Crystal Structure of Activated Charcoal From Palm Bunches (Arengga Pinnata Merr.) Vivi Hastuti Rufa Mongkito1, Muhammad Anas2, Wisda Puspita Bahar3 1,2,3Universitas Halu Oleo, Indonesia 15 Flipped Classroom As a Millenial Teaching Model Irnin Agustina Dwi Astuti1, Yoga Budi Bhakti2, Ria Asep Sumarni3, Dwi Sulisworo4, Moh. Toifur5 1,2,3Universitas Indraprasta PGRI, Indonesia 4,5Universitas Ahmad Dahlan, Indonesia 22