Name: ______________________________ Grade and Section: _____________________ Science IV Circle the letter of the correct answer. 1.
What made movements possible? a. Oil b. Muscle c. Legs d. Joints 2. Which of these tissues join bones together? a. Cartilage b. Ligaments c. Tendons d. Skin
Date: _____________ Score: ____________
3. The following are associated with skeletal system except one; a. Ligaments b. Synovial Fluid c. Stomach d. Cartilage 4. What would happen if the body had no joints? a. The bones would not be connected with one another. b. Our movements will be normal. c. There will no effect in our body. d. None of the above 5. Why can the arms move more freely than all other bones? a. Because they are joined at ball and socket joints b. Because they are loosely attached to the chest wall c. Both of these d. None of these
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faup 13
Activity Sheet
OBJECTIVE: Explain how the Skeletal System works.
I.
Problem How does the skeletal system works?
II.
Materials Dissecting pan Dissecting kit Cooked chicken leg Chart/illustration of skeletal system
III.
Procedure 1. Familiarize yourself with the parts of the chicken leg as compared to the illustration of the skeletal system 2. 3. 4. Get the chicken leg and carefully remove the muscles (meat) until bones are exposed. Examine and feel the texture of the bone, cartilage, ligament and the synovial fluid. Observe.
IV.
Guided Questions 1. What are the different parts of the chicken legs skeletal system? 2. 3. 4. 5. 6. 7. How cracked parts are looks as if they are linked together and related? How does the materials at the end of each bones feel? Why does your finger feel oily after touching the end of the bones? Why is the fluid in the joints important? Describe how each part work together? How are you going to relate your observation on the function of the human skeletal system?
Activity
Parts of Skeletal System
Observation
Function
Bones Cartilage Ligaments Joints Synovial Fluid Marrow