Each module has four differentiated Student Books on the same science topic. These texts, leveled to match the TESOL language proficiency levels, give all students access to core concepts, and allow students to build on that concept knowledge as they progress through the books.

•    Striking visuals and carefully leveled text
•    Authored by award-winning science writers
•    Essential background building and academic vocabulary for standards-based science concepts
•    Embedded skills and strategies aligned with high-stakes testing
•    Response features designed for interactive work in small groups or with partners
•    Parallel text formats and features across the levels, for ease of use
•    Scaffolded reading, writing, listening, and speaking activities