Assess 6–8 common playground activities (e.g., running, jumping rope, climbing, swinging, hopscotch, balancing beam, playing tag, skipping). For each activity, identify whether its primary benefit for Pre-K–Grade 2 students is heart health (cardiorespiratory endurance), muscle strength, or balance, and provide a one-sentence rationale in child-friendly terms. This quiz tests analytic ability to link movement patterns to specific physical development domains.