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Science — Grade 3

Goal 4: The learner will conduct investigations and use appropriate technology to build an understanding of the form and function of the skeletal and muscle systems of the human body.

Objective 4.01

Identify the skeleton as a system of the human body.

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Objective 4.02

Describe several functions of bones:

• Support.
• Protection.
• Locomotion.

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Objective 4.03

Describe the functions of different types of joints:

• Hinge.
• Ball and socket.
• Gliding.

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Objective 4.04

Describe how different kinds of joints allow movement and compare this to the movement of mechanical devices.

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Objective 4.05

Observe and describe how muscles cause the body to move.

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