Abstract
This study aims to identify the percentage of inclusion of scientific and engineering practices in the content of the science book for the second intermediate grade in Saudi Arabia. To achieve the aim of the research, a descriptive and analytical method was used. A content analysis card based on the list of scientific and engineering practices found in (NRC, 2012). Appropriate statistical analyses were carried out to calculate the frequency and the percentage of all practices. The results showed that the availability of all scientific and engineering practices in the content of the analyzed book was very low, as the inclusion percentage ranged from (2.7% - 27.4%). The content did not include the practice of "engaging in the argument based on the evidence", "where the inclusion rate was (0%). The study recommended a review of the framework of the content of science books to ensure that students undoubtedly practice scientific and engineering practices.