Monday, November 27, 2017

EVS Chapter 11

EVS Chapter 11

1] Answer the following:
1. What do you fill into a balloon when you blow it?
2. Why do we need air?
3. How do you know that a dog also breathes?
4. For what does a cat need air?

2] Answer in brief:
1. Describe how air escapes in the form of bubbles.

3] Give reason:
1. The amount of water in the fish tank reduces.

4] Define:
1. Inhalation
2. Exhalation
3. Respiration

5] Fill in the blanks:
    (need, air, breathing)
1. As ______________ goes on continuously, a sleeping man's chest can be seen going up
    and down.

2. There is _______________ spread all around us.
3. Like us, all living things have a _______________ for air.

6] True or false?:
1. We can see air all around us.
2. Fish use the air dissolved in water for breathing.




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