The Hands-On Science series is an instructional program for teachers of grades 1 to 7 science. Based on recent research in science education, Hands-On Science assists teachers in developing students’ scientific literacy through active inquiry, problem solving, and decision-making. Using themes from your curriculum, the Hands-On Science series provides instructional support for teachers. The program also includes an authentic assessment plan based on the most current research in educational assessment. Grade 1 Resource Unit 1: Needs and Characteristics of Living Things Unit 2:Materials, Objects, and Everyday Structures Unit 3: Energy in Our Lives Unit 4: Understanding Earth and Space Systems