Assess Grade 3–5 students’ understanding of how cardio, strength, and flexibility exercises help the body by testing knowledge of basic definitions and age-appropriate examples, primary benefits (cardiorespiratory fitness, muscle and bone strength, joint mobility/posture), how each supports daily activities and injury prevention, simple ways to recognize effort or progress, and essential safety/warm-up considerations; include items that require identification, comparison, and brief explanation of cause–effect relationships.