Lesson 11 – Our Need for Air
A. What’s the solution?
In a crowded place, someone is feeling suffocated, that is, finding it difficult to breathe.
Ans: When someone is feeling suffocated, he or she should be taken to an open place to breathe in fresh air.
B. Fill in the blanks.
(need, air, breathing)
(1) As ______ goes on continuously, a sleeping man’s chest can be seen going up and down.
Ans: breathing
(2) There is ______ spread all around us.
Ans: air
(3) Like us, all living things have a ______ for air.
Ans: need
C. Answer the following questions:
(1) What do you fill into a balloon when you blow it?
Ans: When we blow up a balloon, we fill it with air.
(2) Why do we need air?
Ans: We need air to breathe in so that our body can function properly.
(3) How do you know that a dog also breathes
Ans: When a dog breathes, its chest goes up and down. So, we say that a dog also breathes.
(4) For what does a cat need air?
Ans: A cat needs air for the proper functioning of its body.
D. True or false?
(1) We can see air all around us.
Ans: False
(2) Fish use the air dissolved in water for breathing
Ans: True