Longhorn Integrated Science Pupil’s Book 4 is a detailed and practical coursebook approved by the Ministry of Education and Sports for use in Ugandan Primary Schools. Fully compliant with the Primary 4 Integrated Science syllabus, this book transitions learners from the thematic approach of lower primary into more specialized scientific inquiry. It comprehensively covers key topics such as crop growing practices, weather changes, personal hygiene, and food and nutrition using a learner-centered approach. Rich in clear illustrations and experiments using locally available materials, the book encourages active participation and critical thinking, helping pupils master the foundational scientific concepts required for the next level of their education.