Inside Your Growing Bones: teacher key

How You Grow, grade 2 edition, written for 2nd grade. Bones grow at special spots. Food, sleep and play help them get longer and stronger.

Read the book. Print this page for the key.

Questions and answers

Where does a long bone grow?
- Only in the middle
- At each end, near a growth plate (answer)
- Only at the top
What is the tip of your nose made of?
- Cartilage (answer)
- Calcium
- Muscle
How much sleep do kids 6 to 12 need, as of November 2026?
- 3 to 5 hours
- 6 to 8 hours
- 9 to 12 hours (answer)
What does it mean to grow in spurts?
- Growing at the same speed all the time
- Growing faster at some times and slower at others (answer)
- Never growing at all
Why might two kids the same age be different heights?
- Each child grows at their own pace (answer)
- They sleep in different beds
- One has more bones