National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
Option b) The Skin

Ans 2:

Class : Class 6
(A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
b . We use friction in three types - Static friction , Sliding friction , Rolling friction. Here we are using sliding friction .

Ans 2:

Class : Class 4
B.Frictional Force

Ans 3:

Class : Class 7
Mars

Ans 4:

Class : Class 7
Mars

Ans 5:

Class : Class 4
B. Frictional Force

Ans 6:

Class : Class 7
B] Frictional force

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A.Hot,Summer

Ans 2:

Class : Class 5
a. Because woollen clothes trap air and make us feel warm.

Ans 3:

Class : Class 8
A Hot , Summer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
2. Drying

Ans 2:

Class : Class 5
2. Because dehydration means to take water from it .So it will be drying.

Ans 3:

Class : Class 4
2.Drying

Ans 4:

Class : Class 7
calcium

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
D Molar -- Grinder

Ans 2:

Class : Class 5
c. premolar crushes the food

Ans 3:

Class : Class 4
C. Premolar--Knife

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
C

Ans 2:

Class : Class 6
C ..........Premolar--Knife

Ans 3:

Class : Class 7
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
D

Ans 2:

Class : Class 5
D . All of These

Ans 3:

Class : Class 8
D All of These

Ans 4:

Class : Class 5
d. they all live in mud house,in hexagonal shape like house , live everywhere respectively

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
More temperature , so more evaporation , and more precipitation which results in rise of sea level.

Ans 2:

Class : Class 9
Rise in temperature causes melting of glaciers & large ice bergs,which flows into the sea in the form of water leading to rise in sea level

Ans 3:

Class : Class 2
ICE CAPS AND GLACIERS WOULD MELT

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