This teacher's edition accompanies ACSI's sold-separately Systems Science: Grade 4 Student Edition. Chapter preparation information gives a lesson-by-lesson overview of content and any resources or supplemental materials required. Lessons provide objectives, a content summary, an introduction, directed instruction with class discussion questions, reduced student pages, notes for further discussion & challenge questions, and sidebars on worldview. The included CD-ROM features blackline masters & transparencies. A packet of 15 color transparencies and 12 posters is also included. 418 pages, spiral-bound, soft front-cover, hard back-cover. Grade 4.