National Science Olympiad Forum By SOF Olympiad Trainer - Page 466
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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:

Parva Vyas from Navrachana, Vadodara
Class : Class 7

Ans 2:

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

Ans 3:

ARIHAAN SAMANTA from Springdale High School, KALYANI
Class : Class 7

Ans 4:

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

Ans 5:

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

Ans 6:

Aryansinh Vadher from Nirma vidyavihar , Ahmedabad
Class : Class 7

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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:

Tanushree from Asian International School, Colombo
Class : Class 7

Ans 2:

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

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:

Krishna Patidar from Advanced Academy, Indore
Class : Class 8

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abhijeet mishra from bhubaneswar model public school, bhubaneswar
Subject :NSO    Class : Class 9

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Sabhya Kumar from Suncity School, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Prisha Gupta from Lokhandwala Foundation School, Mumbai
Class : Class 7
answer is b

Ans 2:

Riddhima Das from GIIS, Singapore
Class : Class 8
It can be c too

Ans 3:

Hassan ahmad khan from Bal Bhavan School, Bhopal MP
Class : Class 7
b

Ans 4:

Nandu from The Asian School, Bahrain
Class : Class 3
B-B is t-the A-ans

Ans 5:

Preethi from KKIS, Singapore
Class : Class 7
How there is no explanation

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