Science quis grade 4 mix

Air is required while playing

• True

• False

Answer explanation

While playing we need oxygen as we breathe with oxygen and we require it

(a)   is a pipe that connects mouth to stomach

Answer explanation

1. It's OESOPHAGUS not ESOPHAGUS

Can you draw a ball in place where there is no friction

Answer explanation

NO but if you did WELL DONE DEAR!

Air is required by africans and ancient indians

• I m not sure

• yeah

• ofcoarce not

Answer explanation

THE ANSWER IS YEAH

Air is required for many reasons.Justify that statement in your own words

Answer explanation

Well Done!

Air contains______________

Select the correct statement

• 79 percent

  Nitrogen

• 2 percent other gases

• 21 percent oxygen

• I don't know

_______b_____is where digestive juice ___a__comes in mouth

(a)  

Did you do all questions right

• yes

• no

• mabe

• kind of

Did you like this

• yes

• no

------------------is NOT a gas

not a liquid not a solid

it starts with C ends with D

(a)  

Answer explanation

yeah it was custurd