Earth & Environment Level One Student Pages provide an additional copy of the consumable pages from the REAL Science Odyssey Earth & Environment Level 1 25-week course You’ll find all of the lab worksheets and all of the “For My Notebook” reading pages from the main Earth & Environment Level 1 book, sold separately. Perfect for co-ops, classes, and families with multiple children. 118 pages, softcover. Grades 1 – 4.