“…They are less innovative in developing student worksheets (Leasa et al, 2016) so that analytical content related to science textbooks is needed to develop better science textbooks. Many have conducted a content analysis on science textbooks, such as textbook content analysis on the topic of scientific literacy (Ardianto & Pursitasari, 2017) (Zakiya et al, 2017), textbook content analysis on high order thinking skills (HOTS) (Pratama & Retnawati, 2018), content analysis on textbook related to nutrition (Grommet & Tkachenko, 2019), teacher's book content analysis (Güven, 2010), mathematics textbook content analysis (Vicente et al, 2020;Zhang et al, 2020), physics textbook analysis (Bancong & Song, 2018), content analysis on assignments in elementary science textbooks (Andersen, 2020), and many more. However, the content analysis of primary school science textbooks in Indonesia related to the low-carbon topic of the prior studies has not been analyzed.…”