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 Rizky Merian Muspa Universitas Ahmad Dahlan Indonesia Efi Kurniasari 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 javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/181') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/187') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/205') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/185') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/185') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/192') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/184') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/184') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/189') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/177') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/190') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/170') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/186') javascript:openRTWindow('http://journal2.uad.ac.id/index.php/irip/about/editorialTeamBio/175') p-ISSN 2621-3761 e-ISSN 2621-2889 IRiP (INDONESIAN REVIEW of PHYSICS) Vol. 2 No.2, December 2019 Regular Papers: Development Student Worksheet in the Topic of Regular Circular Motion with Blended Learning based Edmodo as Learning Motivations for Student Susilawati Susilawati, Ishafit Ishafit, Eni Setyawati The Effect of Electrode Gap on the Nucleation Activity of CaCl2.6H2O by using Sharp End Copper Electrode Risky Afandi Putri, Ahmad Swandi, Annisa Rahman, Radhiah Anggraeni, Inge Magdalena Sutjahja, Daniel Kurnia Development of Lesson Plan (LP) with Software Lectora Inspire Assisted Problem- Based Learning in Improving Learning Outcomes for Senior High School Achmad Aswal, Hunaidah Hunaidah, Erniwati Erniwati Determination of Fill Factor and Efficiency in Solar Cell Type (99 × 69) mm2 with Arduino Uno R3 Based Drive assisted by Logger Pro 3.14.1 Hamzah Hamzah, Moh. Toifur, Ishafit Ishafit Development of The Conception of Mechanical Energy Conservation with Interactive Lecture Demonstration Method using Simple Experiments for Grade 7 Students Willi Anindita Wijanarka, Julius Zai, Winda Noor Santi, Laifa Rahmawati, Mohd Rustam Bin Mohd Rameli Characterization of Activated Charcoal Oil Palm (Elaeis Guineensiss Jacq) Shell Waste using SEM and FTIR: Effect of Activation Temperature Rasyid Syidiq, La Ode Yusran, Muhammad Anas, Suritno Fayanto Published by Universitas Ahmad Dahlan IRiP Vol.2 No.2 pp. 28-74 Yogyakarta, December 2019 p-ISSN 2621-3761 e-ISSN 2621-2889 http://journal2.uad.ac.id/index.php/irip/article/view/910 http://journal2.uad.ac.id/index.php/irip/article/view/910 http://journal2.uad.ac.id/index.php/irip/article/view/818 http://journal2.uad.ac.id/index.php/irip/article/view/818 http://journal2.uad.ac.id/index.php/irip/article/view/811 http://journal2.uad.ac.id/index.php/irip/article/view/811 http://journal2.uad.ac.id/index.php/irip/article/view/818 http://journal2.uad.ac.id/index.php/irip/article/view/818 p-ISSN 2621-3761 e-ISSN 2621-2889 Table of Contents Regular Papers: Development Student Worksheet in the Topic of Regular Circular Motion with Blended Learning based Edmodo as Learning Motivations for Student Susilawati Susilawati1, Ishafit Ishafit1, Eni Setyawati1 1Program Studi Magister Pendidikan Fisika, Universitas Ahmad Dahlan 28 The Effect of Electrode Gap on the Nucleation Activity of CaCl2.6H2O by using Sharp End Copper Electrode Risky Afandi Putri1, Ahmad Swandi1, Annisa Rahman1, Radhiah Anggraeni1, Inge Magdalena Sutjahja2, Daniel Kurnia2 1Graduate study program of physics teaching, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung 2Physics Dept., Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung 34 Development of Lesson Plan (LP) with Software Lectora Inspire Assisted Problem-Based Learning in Improving Learning Outcomes for Senior High School Achmad Aswal1, Hunaidah Hunaidah1, Erniwati Erniwati1 1Department of Physics Education, University of Halu Oleo 40 Determination of Fill Factor and Efficiency in Solar Cell Type (99 × 69) mm2 with Arduino Uno R3 Based Drive assisted by Logger Pro 3.14.1 Hamzah Hamzah1, Moh. Toifur1, Ishafit Ishafit1 1 Program Studi Magister Pendidikan Fisika, Universitas Ahmad Dahlan 53 Development of The Conception of Mechanical Energy Conservation with Interactive Lecture Demonstration Method using Simple Experiments for Grade 7 Students Willi Anindita Wijanarka1, Julius Zai1, Winda Noor Santi1, Laifa Rahmawati2, Mohd Rustam Bin Mohd Rameli3 1Program Studi Magister Pendidikan Fisika, Universitas Ahmad Dahlan 2Program Studi Pendidikan Fisika, Universitas Ahmad Dahlan 3Fakulty of Education, Universiti Teknologi Malaysia 60 Characterization of Activated Charcoal Oil Palm (Elaeis Guineensiss Jacq) 67 Shell Waste using SEM and FTIR: Effect of Activation Temperature Rasyid Syidiq1, La Ode Yusran2, Muhammad Anas1, Suritno Fayanto3 1Department of Physics Education, University of Halu Oleo 2Department of Master in Physics, Institut Teknologi Sepuluh November 3Program Studi Magister Pendidikan Fisika, Universitas Ahmad Dahlan http://journal2.uad.ac.id/index.php/irip/article/view/909 http://journal2.uad.ac.id/index.php/irip/article/view/909 http://journal2.uad.ac.id/index.php/irip/article/view/910 http://journal2.uad.ac.id/index.php/irip/article/view/910 http://journal2.uad.ac.id/index.php/irip/article/view/910 http://journal2.uad.ac.id/index.php/irip/article/view/910 http://journal2.uad.ac.id/index.php/irip/article/view/818 http://journal2.uad.ac.id/index.php/irip/article/view/818 http://journal2.uad.ac.id/index.php/irip/article/view/818 http://journal2.uad.ac.id/index.php/irip/article/view/811 http://journal2.uad.ac.id/index.php/irip/article/view/811 http://journal2.uad.ac.id/index.php/irip/article/view/811