National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 6
A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
A

Ans 2:

Class : Class 4
A

Post Your Answer

Subject :NSO    Class : Class 4

A toy car is released from point Q of the ramp and travels towards point P. What is/are the force(s) responsible for pulling the car towards point P?

(A) Weight of the car
(B) Earth’s gravity
(C) Earth’s magnetic field
(D) Frictional force between the wheels and the ramp

A (B) only
B (A) and (B) only
C (B) and (D) only
D (A), (B), (C) and (D)


weight of the car should not be called a force. Gravity is the only force that is pulling the car here. answer should be A

Ans 1:

Class : Class 4
How come?Please explain

Ans 2:

Class : Class 5
I agree with harry potter from hotle California,california.

Ans 3:

Class : Class 4
A weight of car not option

Ans 4:

Class : Class 5
Sorry ,i thought d instead of c.

Ans 5:

Class : Class 4
how is it A

Ans 6:

Class : Class 6
The answer is WRONG

Ans 7:

Class : Class 5
I thought the answer is c because every option makes the car move.

Ans 8:

Class : Class 4
Q is wrong, as earth's gravity is due to its magnetic force. the correct answer is a, b, and c.

Ans 9:

Class : Class 4
How can it be weight of the car?

Ans 10:

Class : Class 4
It has to do with the bad way of the software because I had pressed B but it is showing that I had Pressed A.

Ans 11:

Class : Class 4
the answer should be C ... it can never be A ... Master answer pleeeeeese explain

Ans 12:

Class : Class 4
Solution is wrong.

Ans 13:

Class : Class 4
B

Ans 14:

Class : Class 4
Please explain this I did not understand

Ans 15:

Class : Class 2
The answer should be b and d

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
YES D

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
I thought the answer is c

Ans 4:

Class : Class 4
D

Ans 5:

Class : Class 6
A hand blender runs on electricity. When it is switched on, its blades rotate and a sound is also produced as the motor starts. Thus, electrical energy changes into kinetic energy and sound energy.

Ans 6:

Class : Class 4
D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
actually a change cannot be physical and chemical change as Physical : A change in which composition of matter does not change.Chemical : A change in which composition of matter does not change.They are opposite changes.There is no correct answer!

Ans 2:

Class : Class 6
it is d not c

Ans 3:

Class : Class 6
C no.

Ans 4:

Class : Class 6
It should be B

Ans 5:

Class : Class 6
B

Ans 6:

Class : Class 6
C is NOT THE ANSWER

Ans 7:

Class : Class 7
THERE IS NO CORRECT ANSWER IN THIS QUESTION!!!!!!

Ans 8:

Class : Class 8
not cit is b

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
WE need to select the incorrect pair. hence answer is D.

Ans 2:

Class : Class 7
It's wrong because Football is an outdoor game and chess is an indoor game so the ans is "C"

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
Yaa it’s bottle gaurd

Ans 2:

Class : Class 7
The ans,shoud be d

Ans 3:

Class : Class 2
A bottle gourd is a climber not a creeper. so the answer should be- D

Ans 4:

Class : Class 3
oggy

Ans 5:

Class : Class 2
A bottle gourd is a climber. So D option is correct

Ans 6:

Class : Class 3
it is a corn not a bottle gourd so it should be a!

Ans 7:

Class : Class 3
D OPTION IS CORRECT

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
It is not.It is carbon dioxide.(a)

Ans 2:

Class : Class 8
it must be carbon dioxide

Ans 3:

Class : Class 7
A

Ans 4:

Class : Class 7
it should be carbon dioxide (CO2)

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