Provide your students with engaging, graphical instruction and “write-on/wipe-off” activities to introduce, practice, review and reinforce key, standards-based concepts. The colorfully illustrated pages in each set break down difficult topics into easy-to-understand, individual concepts to facilitate comprehension. Each 12” x 18” chart is laminated, double-sided and spiral-bound on a sturdy, free-standing easel. One side features self-directed readings and easy-to-follow graphical explanations while the reverse provides “write-on/wipe-off” exercises for review and reinforcement. Also includes a Student Activity Guide with copy-masters of charts and review questions. Set includes the following 10 charts: Energy Flow; Producers & Pho¬tosynthesis; Types of Consumers; Food Chains & Webs; Owl Food Web; Owl Pellets; Energy Pyramid; and Food Web Balance.