Question

CHAPTER :14 WATER
WORK SHEET - REVIEW QUESTIONS
I Choose the best option : (1 mark each)
1. A floor dries up quickly after wiping with water. It is due to
a. Condensation b. Evaporation c. Precipitation d. Only a and c
2. Which of the following is a source of water which cannot be used for domestic purposes?
a. Well b. River c. Sea d. Lake
3. Water vapour forms tiny droplets of water when it reaches the upper layers of air. These
droplets fall down as
a. Storm b. Cyclone c. Flood d. Rain
4. A glass tumbler containing ice is kept outside. After a while we can see water droplets around
it. Select the suitable reason for this.
a. The glass tumbler is broken which makes the water go outside.
b. There is water in the air which has condensed around the glass.
c. The water from the ice has got settled outside the glass.
d. None of the above.
5. Which one of the following is not a part of the water cycle?
a. Falling of snow b. Formation of clouds
c. Using water for taking bath d. Falling of sun’s rays on water bodies.
6. The circulation of water between water bodies and land is called
a.Harvesting of water b. Managing water resources c. Infiltration d. Water cycle
7. The excess amount of water released into the atmosphere as water vapour is called as
a. Condensation b. Transpiration c. Evaporation d. Precipitaion
8. Find out an underground water source.
a. Sea b. Lake c. Well d. River
9. Clouds are formed due to
a. Evaporation b. Precipitation c. Condensation d. Transpiration
10. Underground water can be utilised through
a. Lakes b. Wells and handpumps c. Ponds d. Rivers
II. Very short question and answer ( 1 mark each )
1. Name the process which takes place before rain comes to earth.
2. How much of earth’s surface is covered with water?
3. What is the loss of water from plants called?
4. Name any two ways by which we can utilise ground water.
5. Where does water falling as rain ultimately go?
III.Short answer question (3 marks)
1. Name any three house hold uses of water.
2. Why is water so important for our body?
3. What is precipitation?
4. Water droplets are seen on the outer surface of a cold container kept at normal room
temperature. Give reason.
5. Explain the process of infiltration.
IV. Long answer question ( 5 marks each )
1. How is rain useful to us?
2. How do oceans play a major role in supplying us water?
3. Water kept in two containers at different places like an open area where sunlight falls
directly and a shady area show different rates of evaporation. Why ? Give reason.
4. Explain in detail water cycle with the help of a diagram.
5. List the uses of water in all walks of our life.

Answer 1

Answer:

1. b.evoporation

2.c.sea

3.d.rain

4.b.There is water in the air which has condensed around the glass.

5.c. Using water for taking bath

6.d. Water cycle

7.c. Evaporation

8.c.well

9.c.condensation

10.b. Wells and handpumps

Answer 2

1. b.evoporation

2.c.sea

3.d.rain

4.b.There is water in the air which has condensed around the glass.

5.c. Using water for taking bath

6.d. Water cycle

7.c. Evaporation

8.c.well

9.c.condensation

10.b. Wells and handpumpsAnswer:

Explanation: