question_answer1) Have you ever seen air?
question_answer2) Why do you think mountaineers carry oxygen cylinders with them, while climbing high mountains?
question_answer3) Why do traffic policemen wear mask with charcoal lining?
question_answer4) Why the transparent glass of windows if not wiped off regularly appear hazy?
question_answer5) Why during an incident of fire, one is advised to wrap a woollen blanket over the burning object?
question_answer6) Will the tiny air bubbles seen before the water actually boils also appear if we do this activity by reheating boiled water kept in an air tight bottle?
question_answer7) How air is important for life on Earth?
question_answer8) What is the composition of air?
question_answer9) Which gas in the atmosphere is essential for respiration?
question_answer10) How will you prove that air supports burning?
question_answer11) How will you show that air is dissolved in water?
question_answer12) Why does a lump of cotton wool shrink in water?
question_answer13) The layer of air around the earth is known as...
question_answer14) The component of air used by green plants to make their food, is...
question_answer15) List five activities that are possible due to the presence of air.
question_answer16) How do plants and animals help each other in the exchange of gases in the atmosphere?
Please Wait you are being redirected....
You need to login to perform this action.You will be redirected in
OTP has been sent to your mobile number and is valid for one hour
Your mobile number is verified.