Riza Helfira, Ratnawulan, S. Syafriani
Teachers in learning in junior high schools use teacher books. In conducting the learning process and the use of student books, the teacher is guided by the teacher's book. So that the teacher's book is appropriate for use in learning, the book should be valid. This study aims to determine the validity of the blood fluid teacher's book using connected type learning integrated learning in the 21st century. This research uses Plomp model development research, while the validation process is carried out in the development phase. Validity data is obtained by using a validity questionnaire. Data were analyzed with a Likert scale and validation values were calculated by the Aiken formula. The results of the teacher validation analysis developed were obtained the book with valid criteria. From the results of the analysis it can be concluded that science teacher books are integrated the theme of blood fluid through learning connected type integrated 21st century skills worthy of being used in the learning process. © 2020 IOP Publishing Ltd. All rights reserved.
Junior High School, 1 Sasak Ranah Pasisie, Indonesia; Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Jl. Prof Hamka, Padang, 25131, Indonesia
