Class 6 Science Chapter 8 MCQ A Journey through States of Water
MCQ on A Journey through States of Water Class 6
1. Choose the correct option in the following questions
Question 1.
Which one is not hard to touch?
(a) ice
(b) wax
(c) water
(d) stone
Answer:
(c) water
Question 2.
Which pair is state of the same matter?
(a) green grass-plastic grass
(b) ice-water
(c) wax-stone
(d) mountain-stone
Answer:
(b) ice-water
Question 3.
In which case water seep through?
(a) utensil
(b) plastic
(c) sand
(d) human body
Answer:
(c) sand
Question 4.
In which case water does not form vapours?
(a) covered earthen pot
(b) covered plastic bottle
(c) sweat on our body
(d) wet clothes kept in sunlight
Answer:
(b) covered plastic bottle
Question 5.
The process taking place at room temperature is
(a) water → vapours
(b) water → steam
(c) water → ice
(d) vapours → liquid
Answer:
(a) water → vapour
Question 6.
Which of the following can be converted into liquid form?
(a) stone
(b) wax
(c) wood
(d) glass
Answer:
(b) wax
Question 7.
Choose an example of condensation’.
(a) disappearance of water from puddles in the ground
(b) deposition of water droplets over outside surface of glass tumbler
(c) smell of yummy food from kitchen
(d) rubbing of sanitizer with hands
Answer:
(b) deposition of water droplets over outside surface of glass tumble
Question 8.
Which of the following does not exhibit spreading properly?
(a) oxygen
(b) carbon dioxide
(c) water vapour
(d) wood
Answer:
(d) wood
Question 9.
Which one will have highest rate of evaporation?
(a) water in a plate kept in shade
(b) water in plate kept in sunlight
(c) water in plate kept on a rainy day
(d) water in a small cap of bottle
Answer:
(b) water in plate kept in sunlight
Question 10.
Which process represent condensation?
(a) water from oceans to clouds
(b) falling of rain
(c) water from lakes to clouds
(d) water from river to clouds
Answer:
(b) falling of rain
2. Fill in the blanks with appropriate words:
1. ____________ is needed for drinking, bathing, washing our clothes and many more functions.
Answer:
Water
2. Large part of the earth is covered by ____________
Answer:
ocean and seas
3. The water in the oceans is very ____________ in taste.
Answer:
salty
4. Ice, water and ____________ are the three states of same material.
Answer:
steam
5. Water vapours get continuously added to atmosphere due to evaporation and ____________
Answer:
transpiration
6. The process of conversion of vapours into liquid is known as ____________
Answer:
condensation
7. Falling of ____________ is called precipitation.
Answer:
water drops
8. If water during precipitation remains liquid till it reaches the surface of earth we have ____________
Answer:
rains
9. Precipitation in frozen form is called ____________
Answer:
hail/snow
10. Water drops present on gfass during winter morning is called ____________
Answer:
dew
11. ____________ carry the water which mainly serves the purpose of drinking.
Answer:
Rivers
12. Nearly all the trains in winters run late because of a natural phenomenon known as ____________
Answer:
fog
13. ____________ is the basis of life.
Answer:
Water
14. Most of the water that human beings use come from ____________
Answer:
rivers
15. Oceans act as a ____________ for large number of plants and animals.
Answer:
habitat
3. State whether the statements given below are True or False:
(i) Water is needed in producing almost all materials and goods that we use in our everyday life.
Answer:
True
(ii) Oceans are the major sources of sweet water.
Answer:
False
(iii) Water from wet roads, rooftops and other places disappears some time after the rains.
Answer:
True
(iv) The process of condensation is opposite to evaporation.
Answer:
True
(v) Clouds are the mixture of opaque gases.
Answer:
False
(vi) Condensation near the surface of earth, results in jog.
Answer:
True
(vii) Vapourisation takes place only in presence of sunlight.
Answer:
False
(viii) Cloudy formation occurs only at higher temperatures.
Answer:
False
(ix) Rains feed almost all other sources of water.
Answer:
True
(x) We should take bath by as much water as we can.
Answer:
False
4. Match the following items given in Column A with that in Column B:
Question 1.
| Column A | Column B |
| (a) Water cycle | (i) Conversion of water into steam |
| (b) Ocean | (ii) Feeds nearly all other water sources |
| (c) Evaporation | (iii) Formed during winters due to cooling of atmospheric moistures |
| (d) Transpiration | (iv) Suspended water droplets in atmosphere |
| (e) Condensation | (v) Interconversion of water in various forms |
| (j) Precipitation | (vi) Ice, water and steam |
| (g) Rain | (vii) Conversion of water vapours into water |
| (h) Dew | (viii) Usually results in rain |
| (i) Fog | (ix) The major source of water |
| (j) Three states of water | (x) Water loss by plants |
Answer:
| Column A | Column B |
| (a) Water cycle | (v) Interconversion of water in various forms |
| (b) Ocean | (ix) The major source of water |
| (c) Evaporation | (i) Conversion of water into steam |
| (d) Transpiration | (x) Water loss by plants |
| (e) Condensation | (vii) Conversion of water vapours into water |
| (j) Precipitation | (viii) Usually results in rain |
| (g) Rain | (ii) Feeds nearly all other water sources |
| (h) Dew | (iii) Formed during winters due to cooling of atmospheric moistures |
| (i) Fog | (iv) Suspended water droplets in atmosphere |
| (j) Three states of water | (vi) Ice, water and steam |