Discovery Education Science Techbook Student Edition Grade 1 set includes Unit 2 and Unit 3. These comprehensive workbooks are designed to engage young learners with hands-on science concepts. Unit 2, "Animal Sounds," explores how animals communicate and respond to sound, while Unit 3, "Shadows, Light, Motion in the Sky," covers light sources and celestial patterns. Each book features vibrant imagery, vocabulary flashcards, and interactive unit projects to reinforce learning. • Features: Includes Unit 2 (Animal Sounds) and Unit 3 (Shadows, Light, Motion in the Sky) • Features: Grade 1 Student Edition workbooks • Features: Integrated vocabulary flashcards and glossary • Features: Concept-based learning with "Wonder, Learn, Share" sections