Gateways to Science STAAR^® Edition is a comprehensive science program directly aligned to the 2010 Texas Essential Knowledge and Skills. Providing core lessons and assessments for an entire year of instruction, Gateways to Science takes a focused approach to provide the instructional time necessary for the development and mastery of specific TEKS concepts and processes. Each 5E instructional model lesson engages students through rich hands-on learning experiences, addresses diverse learning styles through a variety of strategies and assessment methods, and emphasizes reflective learning through science notebooks. Lesson and unit assessments provide data to monitor and track student progress.

For a sample lesson, download Unit 5: Structure and Function of Organisms, Part 2; Lesson 1: Physical and Chemical Changes in Digestion.