This teacher resource offers a detailed introduction to the Hands-On Science program, which includes its guiding principles, implementation guidelines, an overview of the science skills that grade 3 students use and develop, and a classroom assessment plan complete with record-keeping templates. This resource has four instructional units: Unit 1: Growth and Changes in Plants Unit 2: Materials and Structures Unit 3: Forces that Attract or Repel Unit 4: Soils in the Environment Each unit is divided into lessons that focus on specific curricular outcomes. Each lesson has materials lists activity descriptions questioning techniques activity centre and extension ideas assessment suggestions activity sheets and visuals