cbse 6th Standard Science Water Sample Question Papers Study Material - QB365 Set C | QB365

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cbse 6th Standard Science Water Sample Question Papers Study Material - QB365 Set C

Published on: 24/10/2025

Question Set C

cbse 6th Standard Science Water Sample Question Papers Study Material - QB365

Download CBSE Class 6th Standard CBSE Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 6th Standard CBSE Science

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Std: 6th Standard CBSE - Science

chapter: Water - Sample Question Papers

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Questions:

Fill up / 1 Marks

10 x 1 = 10

_______is a pure from of water.

The water droplets collect together to form_______

Water evaporates from different water bodies due to the _______of the________

_______is a method to collect rain water on the rooftops of the buildings

Water is colourless, odourless and_______

State for each of the following whether it is due to evaporation or condensation. Water drops appear on the outer surface of a glass containing cold water.

Excessive rains may cause __________

No rainfall for a year or more may lead to________ in that region.

The process of changing water vapour into water is called ______

10.

The process of changing water into its vapour is called__________

True or False

5 x 1 = 5

11.

Water vapour condenses to form tiny droplets of water in the upper layers of air where it is cooler.

(a)

False

(b)

True

12.

The evaporation of water takes place only in the sunlight.

(a)

True

(b)

False

13.

The process of water changing into its vapour is called evaporation.

(a)

False

(b)

True

14.

Water evaporates into air from oceans, rivers and lakes but not from the soil.

(a)

True

(b)

False

15.

Water vapour is present in air only during the monsoon.

(a)

True

(b)

False

Generic 2

5 x 2 = 10

16.

In arctic region, when ice is formed in oceans, how do aquatic animals survive there?

17.

Mention three ways by which water evaporates.

18.

Explain the formation of rain

19.

Name two main processes which transfer water present on the earth into water vapour continuously.

20.

Write any two activities which require more than one bucket of water.

Generic 3

5 x 3 = 15

21.

People living in which region do not get adequate amount of water? How do they manage?

22.

Do people living in different regions of a country get the same amount of water?

23.

Water is one of our most precious commodities and no life can survive without it It has been predicted that water scarcity will become the subject of "Wars"in the near future. Write any two ways in which water is getting polluted. Write any two measures to stop water pollution at your level

24.

Water kept in sunlight gets heat from the sun and is evaporated. But how does water kept under the shade of a tree also gets evaporated? Explain.

25.

Why do wet clothes placed on a clothes line dry after sometime? Explain.

Multiple Choice Question

10 x 1 = 10

26.

Water changes to ice at

(a)

0°C

(b)

100°C

(c)

102°C

(d)

98°C

27.

Water cycle is a

(a)

continuous process

(b)

drinking process

(c)

non-continuous process

(d)

non-cyclic process

28.

When we move up in air, the temperature becomes:

(a)

Very high

(b)

Little high

(c)

Low

(d)

Very low

29.

Water harvesting is a technique of

(a)

Flooding water

(b)

Farming water

(c)

Stopping flood

(d)

Saving rain water

30.

Water occurs in the atmosphere in how many forms?

(a)

One

(b)

Two

(c)

Three

(d)

Four

31.

Clouds are

(a)

tiny drops of water floating in air

(b)

mixture of dust and water vapour

(c)

particles of water vapour

(d)

rain drops in air

32.

Which of these is a result of condensation of water vapours?

(a)

Rain

(b)

Snowfall

(c)

Hail

(d)

Tiny water droplets

33.

Out of these which one is not a source of surface water?

(a)

Rainwater

(b)

River and lake water

(c)

Spring water

(d)

Sea water

34.

In which of the following cases, evaporation of water will be slowest?

(a)

A tray of water kept in sunlight

(b)

A kettle of water kept on a burner

(c)

A glass of water kept in a room

(d)

A bucket of water kept on rooftop

35.

Which of the following activities does not involve use of water?

(a)

Washing clothes

(b)

Bathing

(c)

Cleaning utensils

(d)

Drying wet clothes

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Answers Key:

Fill up / 1 Marks

10 x 1 = 10

()
Rain water

()
clouds

()
heat, sun

()
Rain water harvesting

()
tasteless

()
Condensation

()
floods

()
droughts

()
condensation

10.

()
evoporation

True or False

5 x 1 = 5

11.

(a)
False

12.

(b)
False

13.

(a)
False

14.

(b)
False

15.

(b)
False

Generic 2

5 x 2 = 10

16.

Only surface water freezes as ice, but below the frozen surface, temperature does not fall below 4°C. This temperature is optimum for the survival of aquatic animals in arctic region.

17.

Water evaporates from sea, lakes and other water surfaces. Water also evaporates from wet lands, clothes, etc. Water also evaporates from plants through transpiration.

18.

Water from the ocean and surface of earth goes into air as vapour through evaporation and transpiration where it cools down and forms tiny water droplets through condensation. These then turn into clouds and returns as rain

19.

These processes are evaporation and transpiration.

20.

Two activities which require use of more than one bucket of water is washing more than 10 clothes and irrigating a crop field.

Generic 3

5 x 3 = 15

21.

People living in desert region do not get adequate amount of water due to a scarcity of water in that region.
They manage to live with a small amount of water by adopting water conservation techniques.

22.

People living in different regions of a country do not get the same amount of water because availability of water depends on the following factors:
(i) Annual rainfall
(ii) Distance from source of water, i.e., river, pond etc.

23.

Water is getting polluted:
(i) By industrial waste
(ii) By human activities
Measures to stop water pollution:
(i) We should not throw waste materials and garbage into water.
(ii) We should sensitize people about harmful effects of water pollution.
Associated Value : We should discourage any activity in our life that may cause water pollution

24.

Water kept under the shade of a tree also evaporates because moving air gets heated from sunlight. This warm air provides heat for evaporation of water kept in the shade.

25.

Wet clothes placed on a clothes line dry after sometime because water present in wet clothes is converted into water vapour and released in atmosphere due to evaporation which leaves them dry.

Multiple Choice Question

10 x 1 = 10

26.