This study reported a quasi-experimental investigating the development of Science textbook based on Science Technology and Society for elementary school. The study employed quasi experiment design. Population in this study was all fourth-grade students of elementary schools in Gatak Subdistrict and the sample of the study was two schools as an…

Indonesia, being a tropical area with high humidity, is a source of proliferation of worms. Soil-Transmitted Helminths infection is widespread in all rural and urban areas. Children who are infected usually experience lethargy, pallor or anemia, weight loss and listlessness, as well as decreasing their learning concentration and productivity.…