Bone Density Worksheet
A Grade 9 Science worksheet on bone density, covering its importance, measurement, and factors affecting it.
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Bone Density Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following is the primary mineral responsible for bone density?
Iron
Calcium
Potassium
Sodium
2. What is the name of the medical condition characterized by low bone density and increased fracture risk?
Arthritis
Osteoporosis
Scoliosis
Rickets
3. Bone density is a measure of the amount of and other minerals present in your bones.
4. The process of bone formation and breakdown is called bone .
5. Vitamin D is essential for the body to absorb from the diet.
6. Explain why maintaining good bone density is important throughout life.
7. Regular weight-bearing exercise can help increase bone density.
True
False
8. Bone density naturally increases with age.
True
False
9. Observe the diagram of a long bone cross section below. Label the compact bone and spongy bone.

Compact Bone:
Spongy Bone:
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