Contains reduced student pages with instructions for lesson groupings. Most lessons include additional background information, cross-curricular links, and scientific activities. The Teacher’s Edition also includes useful information for the teacher about science-process skills, the management of activities, and grading. The Teacher’s Toolkit CD, located in the inside back cover of the teacher’s edition, contains the Activity Manual Answer Key, worksheets, visuals, quizzes and answer to quizzes, resources for two-day lessons, rubrics for all of the activities, and useful information about science fairs. Spiral bound, 368 pages.