CBSE Class 6 Science Sample Paper Set I

CBSE Class 6 Science Sample Paper Set I . It’s always recommended to practice as mane sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

SECTION -A

1 To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?

Ans yes change can be reversed

2 The contraction of ______pulls the bones during movement.

Ans muscles

3 Name the device that breaks or completes the circuit?

As.  electric switch

4 It is observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been use to make some part of it.

Ans. iron

5 What is the name given to low lying area which may be used to dump garbage?

Ans landfill

6 State whether the following statements are true or false?

(a)Grain and husk can be separated by the processes of winnowing.

(b)A mixture of powdered sugar and salt can be separated by the process of filtration.

Ans a)true

b)false

7. A drawing sheets changes when you draw a picture on it and colour it. Can you reverse this change? Explain.

Ans.No 

correct reason

8 Why does a lump of cotton wool shrink in water?

Ans. A lump of cotton wool shrinks in water because the air present between the fibres of cotton is replaced by water.

9 Write any two properties of a magnet.

Ans. 1.All magnets have two poles, north pole and south pole.

2.Like poles of two magnets repel each other and unlike poles of two magents attract each other.

10 How is salt obtained from sea water?

Ans. Salt is obtained from seawater by the process of evaporation

11 Write composition of air around us. 2

Nitrogen- 78%

oxygen- 21% 

water vapour,Carbondioxide,smoke,dust,other gases – 1%

12 Classify the following as reversible or irreversible change

(i)Melting of wax (ii)cooking of food (iii) growth of a plant (iv)burning of candle

Ans. (i) reversible

(ii),(iii),(iv) irreversible

13 How will you obtain clear water from a sample of muddy water? 3

Ans correct explanation. 

14 Why should an electrician use rubber gloves while repairing an electric switch? 3

Ans. An electrician should wear rubber gloves while repairing electric switch because rubber is an insulator and does not allow electric current to pass through it . Hence, the electrician will not get any electric shock. 

15 a)Name four types of joints found in our body

b)Why can our elbow not move backwards?

Ans a)Correct names of joints

b)our elbow can not move backwards because it has hinge joint which allows movement in only one plane and only upto 180 

16 Using the “conduction tester “on an object it is found that the bulb begins to glow. Is that object conductor or insulator? Explain

conductor 

correct justification 

17 What are magnetic materials ? Give two examples. 3

Ans. Materials which get attracted towards a magnet are called magnetic materials.

eg- iron, nickel 

18 List any three activities that are possible due to presence of air? 3

Ans. 1. The air makes windmill rotate.

2. Birds, bats and insects fly due to presence of air.

3. Air helps in dispersal of seeds and pollen of flowers.

(Or any three activities) 

19 a)What is habitat?

b) List any four common characteristics of living organisms.

Ans. The surrounding in which a living being lives is called habitat.

Any four correct characteristics 

20 What is ball and socket joint ?Where is it found in our body? Draw the diagram. 5

Ans. The joint in which the round end of one bone is fixed into the cavity of the other bone is called and socket joint. Ball and socket joint allows movement

of bones in all directions (360˚).

Eg- Joint between shoulder and upper arm

or

joint between hip and upper leg.

correct diagram 

21 (a) What is compost

(b) Do You think it is better to use compost instead of chemical fertilizer? Why?

Ans. Correct definition

Yes.

It is better to use compost instead of chemical fertilizers because compost is organic in nature and enriches the soil and makes the soil fertile. Whereas chemical fertilizers are harmful for the soil. 

22 (a)Write any three adaptations found in cactus which enable it to survive well in deserts.

(b)Explain why speed is important for survive in the grassland for animals that live there?

Ans. a)any three adaptations

b)correct explanation

SECTION -B

23 Which of the following takes place during cloud formation?

a) Evaporation b)Condensation

c)Evaporation followed by condensation d) sublimation

Ans. Evaporation followed by condensation 

24 Which of the following is a slow irreversible change

a) growth of a baby b) cutting of paper

c) bursting of cracker d)burning of matchstick

Ans. growth of a baby 

25 Which of the following is not an insulator

a)leather       b)wood 

c)Iron nail     d)rubber

aNS. iron nail

26. Which of the following can be easily converted into compost

a)glass     b)plastic

c)metal      d)paper

Ans.paper 

27 A freely suspended magnet stops in

a)north west direction   b) north south direction 

c)east west direction    d)south west direction

ANS. north south direction

Please click the link below to download CBSE Class 6 Science Sample Paper Set I.