science test

How many bones are in the human body?

• 206

• 300

• 602

• 200

Which is the main gas that makes up the Earth's atmosphere?

• nitrogen

• oxygen

• carbon dioxide

• hydrogen

the nerves system consists of

• nose, lungs

• brain,spinal cord,nerves

• mouth, stomach

• eyes. brain

how many teeth does an adult human have ?

• 30

• 32

• 23

• 35

the main source of light is

• moon

• sun

• earth

• stars

what is the name of this organ?

• brain

• lungs

• stomach

• bone

Which of these materials is used to make rain boots?

• wood

• plastic

• glass

• fabric

 

Handles of cooking pots should be made of?

• metal

• plastic

• wood

• fabric

Which of these materials is a good conductor of heat?

• metal

• wood

• plastic

• ceramic

. 

Which of these materials is used to make jewellery?

• gold

• wood

• plastic

• ceram ic