Science Grade 4

How many bones make up the skeletal system?

• 206

• 216

• 209

• 219

Name of the joint shown in the picture is ... joint.

What is the main purpose of flat bones?

• To allow you to lay down.

• To give you a lot of movement.

• To give your organs protection.

• To make you grow.

Your shoulder joint is an example of _______.

• a hinge joint

• a pivot joint

• a saddle joint

• a ball-and-socket joint

_____ makes our skeleton move.

The bone in the picture is called _____.

• tibia

• fibula

• femur

• ribs

Which part of the body the ribs surround?

• lungs

• stomach

• brain

• eyes

Which one is a short bone?

• finger bone

• arm bone

• thigh bone

• skull

Bones in our spine are example of ...

• long bone

• flat bone

• irregular bone

• short bone

Which part of the body can make us move?

• skeleton (only)

• muscles

• organs

• fat