Science
The Human Body
Conceptual
9–11 yrs
Healthy Lifestyle Choices
健康生活方式的选择
Description
Understand how lifestyle choices affect the body’s health: a balanced diet, regular exercise, adequate sleep, and avoiding harmful substances (tobacco, alcohol, drugs) help body systems function well, while poor choices increase the risk of disease
Mastery Evidence
- Explain how regular exercise strengthens the heart, lungs, and muscles
- Describe how a poor diet high in sugar and fat can lead to obesity, tooth decay, and heart problems
- State at least two harmful effects of smoking (damages lungs, increases heart disease risk) or alcohol (damages liver, affects brain)
Assessment Prompt
Can your child explain how what they eat, how much they exercise, and how much they sleep affects how their body works — and why smoking or drugs are harmful?