Science Grade 4 Review

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 weak

• allow us to move

• support our body

The bone that protects the brain is _____

• jaw

• hip

• skull

• spine

When a muscle contracts _____

• it’s getting longer

• it’s getting shorter

• it pushes the bone

• it lets the bone rest

Study the statements The benefit of doing exercise are______

• i, ii, iii

• ii, iii, v

• ii, iii, iv

• i, iii, v

Study the picture When Marcus picks up the book, muscle ________

• A = relax, B = relax

• A = relax, B = contract

• A = contract, B = relax

• A = contract, B = contract

Animal that has an exoskeleton is ________

• 
• 
• 
• 

Grade 4 investigates an animal using the identification key. It has no legs or fur. It has wet skin and a shell outside its body. It lives in the wet area. It moves using its stomach. It has no backbone. It is a ______

• snake

• lizard

• snail

• frog