These Skeletal System Worksheets are designed to help students in Grades 4–6 learn the human skeletal system through labeling activities, diagrams, and a quiz. This human body anatomy resource focuses on identifying the major bones of the body using clear skeletal system diagrams and word banks, making it perfect for upper elementary science, human body units, and anatomy worksheets. Students will practice labeling the skull, spine, rib cage, pelvis, arms, legs, and the full human s