National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 4

Nidhi knocked three metal thumbtacks into the middle section of a block of wood and covered this section with a piece of white paper. Then, she brought a lighted candle near this section.
After few seconds, she removed the lighted candle and found burn marks on the paper except on the areas where the thumbtacks were present. Which of the following best explains this observation?


A The paper was a good conductor of heat.
B The thumbtacks and the paper had different temperatures.
C Some parts of the wood absorbed the heat from the candle flame.
D The thumbtacks conducted heat away quickly before the paper could get burnt.


Ans 1:

Class : Class 4
IT IS D ANURADHA 4 C SVN KUTTUMUKKU

Ans 2: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 3:

Class : Class 4
I can't get the answer of this one.

Ans 4:

Class : Class 5

Ans 5:

Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
The correct answer is Option(C).

Ans 2:

Class : Class 6
(c)

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Find the HCF / GCD of 378 and 588, you will get the answer.

Ans 2:

Class : Class 6
D because we should LCM as either Indian or Foreign stamps should be placed and max is LCM.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
graphite

Ans 2:

Class : Class 8
yes.....graphite is a electrical conductor and a heat insulator

Ans 3:

Class : Class 6
None of the above. No object can be conductor and insulator at the same time except for some elements like germanium and silicon.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
its easy

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
very easy

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2: (Master Answer)

Class : Class 1
The correct answer is C.

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