Posture and Laboratory work 1
Answers are for parents and teachers.
1
What does physical exercise give for health? Write 4 benefits.
Muscles and bones strengthen, heart and breathing improve, posture is better, mood and sleep improve.
2
Review your school bag and sitting habits and write a plan of 3 changes.
For example: wear both straps; remove unneeded books; sit upright at the desk.
3
Complete the observation table: vinegar experiment and heating experiment.
Vinegar: soft, flexible – minerals dissolve. Heating: white, brittle – organics burn.
4
Why is heavy lifting not recommended during growth?
Bones and cartilage are not fully formed; joints and spine may be injured.
5
Whom do you turn to if you are worried about your posture or body?
A parent and a doctor; no self-“treatment” or extreme exercise.