GRADE 4 UNIT 1 LIVING THINGS

What is the name of that part of skeleton?

• Rib

• Skull

• Thigh

• Hip

What is the name of this part of skeleton?

• Skull

• Upper arm

• Rib cage

• Lower leg

Which organs does the rib cage protect?

• Stomach

• Intestines

• Kidneys

• Lungs

Bone that moves when we hit a nail by using a hammer.

• leg bone

• jaw bone

• arm bone

• skull

When a muscle ________________, it gets shorter.

• relaxes

• contracts

• pairs

• longer

When a muscle ________________, it gets longer or returns to normal size.

• contracts

• pairs

• relaxes

• shorter

Muscles work in ______________ to make us move.

• contracts

• relaxes

• pairs

• shorter

Which animal in the pictures is an invertebrate?

• 
• 
• 
• 

Which animal in the pictures is a vertebrate?

• Butterfly

• Beetle

• Worm

• Reptile

Medicines make us better when we are sick.

• Yes

• No