Rachmawati, Fauziah, Prodi Pendidikan Dasar, Pascasarjana, Universitas Negeri Surabaya Raharjo, Raharjo, Program Studi Pendidikan Sains, Program Pasca Sarjana, Universitas Negeri Surabaya Rahayu, Tanti, Yogyakarta State University Rahayuningtyas, Annisa Cahya, Universitas Sebelas Maret Rambitan, Vandalita M M, Biology Education Study Program, Faculty of Teacher Training and Education, Universitas Mulawarman Ramli, Munasprianto, Universitas Islam Negeri Syarif Hidayatullah Jakarta Ratnaningdyah, Dwi, UNIV PGRI PALEMBANG Ratnasari, Puspita Dwi Ratnawati, Ratnawati, Universitas PGRI Semarang Reffiane, Fine, Department of PGSD, Faculty of Science, Universitas PGRI Semarang, Indonesia Rifki, Abdul, Universitas Islam Negeri Syarif Hidayatullah Jakarta Rodiyah, Rodiyah, Universitas Terbuka, Indonesia Rohmadi, Mukhlis, Department of Mathematics and Natural Sciences Education, Faculty of Education and Teacher Training, IAIN Palangka Raya Rohmatin, Dewi Nur, PGRI Madiun University Rohmawati, Ely, Jurusan IPA, Universitas Negeri Surabaya Rohmawati, Yulida Isro’in, Public Junior High School 1 Ngasem Romadhoni, Wibowo, Program Studi Sarjana Fisika, Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Kaltara Rosdiana, Laily, 2Department of Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Surabaya Rosdiana, Laily, Department of Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Surabaya Rosdiana, Laily, Jurusan IPA, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Surabaya Rosdiana, Laily, Jurusan IPA, Universitas Negeri Surabaya Rosdiana, Laily, Universitas Negeri Surabaya Rosidana, Laily, Jurusan IPA, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Surabaya Rosidi, Irsad, Universitas Trunojoyo Madura Rumanta, Maman, Universitas Terbuka, Indonesia