CLASS 4 / REVISION / WATER

ARMY PUBLIC SCHOOL, GOLCONDA

SA-2 ( 2015-16)

(REVISION)

SUBJECT :  EVS                                                                                                        CLASS :  IV

LESSON :  Water

I.  Complete the name with the help of clue:

1.  Most of the fresh water on earth comes from

      R__I__

2.  Underground water reappears on the surface as

       S__R__N__S

3.  There can be no life without it

      W__T__R

4.  A large area of water surrounded by land is called

      __A__E

5.  Moving ice sheets

      G__A__ __ ER__

6.  Water that is fit for drinking

      P__T__B__E

7.  A wall built across the river to hold back or block river water 

      __A__S

8.  Disease caused by polluted water

      C__ __L__R__

9.  The biggest ocean in the world

      P__C__F__C

II.  Fill in the blanks:

1.  ____________ is the way to capture rain water when it rains.

2.  Chemicals drained into rivers cause ____________ formation.

3.  ______________  grows and thrives in water bodies and causes Dengue &

      Malaria.

4.  Adding _____________ tablets in water purifies it.

5.  River Luni is a __________ river of the deserts of the Rajasthan.

III. Answer the following questions:

1.  What are Glaciers?

2.  Name the sea that lies on the west side of India.

3.  How many Oceans are there in the world?

4.  Name three South Indian rivers.

5.  How are rivers formed? What are Perennial rivers and give examples.

6.  What causes pollution of water?