Focus on grade-appropriate subjects with convenient, themed chart packs. Popular topics are grouped for developing teaching units with ease. Introduce one chart at a time, or display the entire combo pack for year-round reference. - extra value on back: reproducibles, tips, and teaching information- 17" x 22" classroom size- sturdy and durableThis five-chart pack for Grades 2 to 8 includes: Solar System (T-38057), Weather Factors (T-38058), Layers of the Earth (T-38087), Geography Terms (T-38118), Water Cycle (T-38119).