National Science Olympiad Forum By SOF Olympiad Trainer - Page 163
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Suhana Kedia from Griffin's international school, Kharagpur
Subject :NSO    Class : Class 3

Ans 1:

SS from meridian, hyderabad
Class : Class 5
ohh

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Suhana Kedia from Griffin's international school, Kharagpur
Subject :NSO    Class : Class 3

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Samyak Patel from Udgam School For Children, Ahmedabad
Subject :NSO    Class : Class 10

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VIDHANT GARG PUNEET GARG from DPS GREATER FARIDABAD, FARIDABAD
Subject :NSO    Class : Class 9

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ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Subject :NSO    Class : Class 7

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Pushkar Sonnekar from Ryan International School, Mumbai, Vasai East
Subject :NSO    Class : Class 8

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
When electricity is passed through a dry cell, it results into a chemical reaction between the carbon rod and paste, which causes the electrons to move from the negative terminal to positive terminal. Hence, Option D should be the correct answer. SOF, kindly rectify this error and provide a reasonable solution to this question.

Ans 2:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9

Ans 3:

Natasha Sen from Canterbury Public School, delhi
Class : Class 9
Option D is correct...both the cells use electric current to produce a chemical reaction.

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Jayaditya singh from Delhi Public School, gurgaon
Subject :NSO    Class : Class 6

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Vasudev Krishna from Indian School Al Ghubrah, Muscat
Class : Class 7

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Jayaditya singh from Delhi Public School, gurgaon
Class : Class 9
what about the hands of clock, they show rotational motion

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Mehul Acharya from Bikaner Boys School , Bikaner
Subject :NSO    Class : Class 7

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Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
Subject :NSO    Class : Class 8

Ans 1:

Natasha Sen from Canterbury Public School, delhi
Class : Class 9
No. of triangles = 28

Ans 2:

LearnwithSV from SOF OLYMPIAD TRAINER , IND
Class : Class 8
NUMBER OF TRIANGLES ARE 28

Ans 3:

Shaurya Behera from Indian School Muscat, Muscat
Class : Class 8
ans = 28

Ans 4:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
Class : Class 10

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Ahmed Feroz Khan from Jankidevi Public School, Mumbai
Subject :NSO    Class : Class 6

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