National Science Olympiad Forum By SOF Olympiad Trainer - Page 472
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VANSH GARG from DPSG, GHAZIABAD
Subject :NSO    Class : Class 3

Ans 1:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4

Ans 2:

Atri Pradhan from Oxebow English School, Gobardanga
Class : Class 3
Hitting the cricket ball with a bat to make a run.

Ans 3:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 3
c

Ans 4:

Karangat house from Navy Children School, Payyannur
Class : Class 3
c

Ans 5:

divita saxena from bhavans vidya mandir ashti , nagpur
Class : Class 4
c as in a b d force pull is used

Ans 6:

Shivesh Dan from BAL BHARATI PUBLIC SCHOOL, NOIDA
Class : Class 3

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Aaryav Tiwari from DPS VK, Delhi
Subject :NSO    Class : Class 6

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Aaryav Tiwari from DPS VK, Delhi
Subject :NSO    Class : Class 6

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Pranav Kiran Rajarathna from The Samhita Academy, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Tanishka Laha from Euroschool, Bengaluru
Class : Class 5
(A) cannot be the right answer as once the water vaporizes, there is no scope for sedimentation. (B) cannot be the right answer as once the mixture is filtered, the sand shall be collected on the filter paper while the clean water shall be collected in a beaker.Evaporation is not required. The answer is (C) because sand is heavier than water and shall settle down at the bottom of the beaker.This process is called sedimentation.Subsequently,the clear water from the top can be decanted out. (D) cannot be the right answer as once decantation is done, the clear filtrate shall be left over and filtration is not required.

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HARSHAL KUTE from cambridge school buldhana, Buldhana
Subject :NSO    Class : Class 7

Ans 1:

Dhairya Vinayak from Loyola High School, Patna
Class : Class 8

Ans 2:

Vedang Shridhar Sasturkar from Vasant Valley School, New Delhi
Class : Class 7
It is correct as vaporisation increases with increased wind speed

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Ira from Modern Vidya Niketan, Faridabad
Subject :NSO    Class : Class 7

Ans 1:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option d .....

Ans 2:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
ans is D

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Ira from Modern Vidya Niketan, Faridabad
Subject :NSO    Class : Class 7

Ans 1:

Puravk from DELHI SCHOOL OF EXCELLENCE, HYDERABAD
Class : Class 8
P will have as it is the end of a terminal

Ans 2:

Parva Vyas from Navrachana, Vadodara
Class : Class 7

Ans 3:

Punit Singla from Birla Shishu Vihar , Loharu
Class : Class 7

Ans 4:

Nivriti from Euro, Mumbai
Class : Class 8
Ans is A

Ans 5:

Aryansinh Vadher from Nirma vidyavihar , Ahmedabad
Class : Class 7

Ans 6:

ARIHAAN SAMANTA from Springdale High School, KALYANI
Class : Class 8

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Gatik Garv Anand from St Francis School, Indirapuram
Subject :NSO    Class : Class 6

Ans 1:

Aaryav Tiwari from DPS VK, Delhi
Class : Class 5
Name of a bike

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Aditya singh from AKSHARA INTERNATIONAL SCHOOL, pune
Subject :NSO    Class : Class 7

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Yashna Badiye from sagar public school saket nagar, Bhopal
Subject :NSO    Class : Class 7

Ans 1:

Krishna Patidar from Advanced Academy, Indore
Class : Class 8

Ans 2:

Tanushree from Asian International School, Colombo
Class : Class 7

Ans 3:

sankalp from Gyan Bharti School, Saket, Delhi
Class : Class 10

Ans 4:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c ......

Ans 5:

Prachi Todalge from New India School, Pune
Class : Class 7
Option C is correct.

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