OLIVE INTERNATIONAL SCHOOL QATAR
SESSION 2025 - 2026
SUBJECT: SCIENCE
TERM: 1 Month: June
Name:__________________________________________ Grade & Div. : _____________________
Block/Lesson: Chapter – 3: Bones and Muscles
Worksheet release date: 04/6/2025 Submission Date: ____________________
I. Fill in the blank with the correct words.
1. The __________________________system gives shape and strength to our body.
2. An adult human body has __________________________ bones.
3. ______________________________ is the strong, elastic material found in our joints.
4. The longest bone in our body is the ___________________________.
5. __________________________ protects our brain.
II. Choose the correct answer from the choices for each question.
6. What part of the body is protected by the ribcage?
a) Brain
b) Heart and lungs
c) Stomach
d) Legs
7. Which of the following is NOT a type of joint?
a) Ball and socket
b) Hinge
c) Elastic
d) Pivot
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8. How many bones are there in a new – born human body?
a) 305
b) 206
c) 100
d) 150
9. What is the function of cartilage?
a) Protects the heart
b) Connects bones
c) Produces blood cells
d) Stores fat
10.Which bone is part of the skull?
a) Femur
b) Tibia
c) Jawbone
d) Humerus
III. Answer the following questions in complete sentences.
11. Describe how the skeletal system helps us move.
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12. Explain why it is important to have joints in our body.
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13. What can happen if our bones are not strong and healthy?
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14. Look at the following image carefully. Think if there were no cartilage, then what
would happen to this part of our skeletal system.
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15. Explain the following joints.
a. Ball and socket
b. Gliding joint
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