Review Science G4

The bones are joined together to form a _________

• jaws

• skull

• skeleton

• rib cage

Human skeletons are made of ______ bones.

• 206

• 216

• 260

• 261

Study the picture The letter B is pointing to the ____

• hip

• leg

• skull

• spine

Below are the functions of the skeleton except to _____

• help us grow

• keep us strong

• allow us to move

• support our body

The bone that protects the brain is _____

• jaw

• hip

• skull

• spine

Study the organs The organs protected inside rib cage are ______

• i and iii

• ii and v

• iii and v

• I and iv

When we drop our arm, what happen to the muscles A and B?

• A) Drop; B) Lift

• A) Shorter; B) Drop

• A) Contracts; B)Relaxes

• A) Relaxes; B) Contracts

When a muscle contracts _____

• it’s getting longer

• it’s getting shorter

• it pushes the bone

• it lets the bone rest

Muscles work in ________________to make us move.

• Individual

• Shorter

• Longer

• Pairs

Study the statements The benefit of doing exercise are______

i. Puts you in bad mood

ii. Helps you thinks better

iii. Let’s you stretch your body easily

iv. Help you easily gets some sickness

v. Makes your muscle and bones stronger

• i, ii, iii

• ii, iii, v

• ii, iii, iv

• i, iii, v