National Science Olympiad Forum By SOF Olympiad Trainer - Page 479
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HIMANISH BASU from APS BANGALORE , Bangalore
Subject :NSO    Class : Class 5

Ans 1:

Alina Chattopadhyay from Tagore International School, Vasant Vihar, New Delhi, South Delhi
Class : Class 6

Ans 2:

Aadrith Reddy Mallepalli from MDAV Public School, Hyderabad
Class : Class 5

Ans 3:

Aayush from Amrita vidyalayam, Delhi
Class : Class 4
if a magnet broke's its two ends are changed according to the poles .in the original magnet north is in left and south is in right so all the pieces will have north in left and south in right .poles never change .so, the answer is c

Ans 4:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
The ans is C

Ans 5:

shambhavi sinha from seth anandram jaipuria school , ghaziabad
Class : Class 5
c

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PB Choudhury from DAV MM public school, Bhadrak
Subject :NSO    Class : Class 7

Ans 1:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8
it should be c because the metal box is thin

Ans 2:

Mehul Bansal from Pawar Public School, mumbai
Class : Class 7
it is c

Ans 3:

Parth Kadam from Pawar Public School , Nanded City, Pune
Class : Class 8
Yes,the answer is C.

Ans 4:

Karan Oberoi from Amanora School, Pune
Class : Class 8
Answer C , SOF own solution mentions answer C but marking is done basis option D. Please correct

Ans 5:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8

Ans 6:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8

Ans 7:

VISHNU T M from b, Bengaluru
Class : Class 9
the answer is of course d..... as metal is a good conductor of heat.

Ans 8:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
the heat should take less time to travel in the thin bowl so it should be option c

Ans 9:

Sainyam Sharma from Thakur Public School, Mumbai
Class : Class 7
C

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PB Choudhury from DAV MM public school, Bhadrak
Subject :NSO    Class : Class 7

Ans 1:

Gaurang Upadhyay from dwps, NOIDA
Class : Class 9
njj

Ans 2:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4

Ans 3:

harini from Sri kumarans children home, Bengaluru
Class : Class 8

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Deepesh Abhijeet Gurjar from Sulochana Natu Bharatiya Vidya Bhavan , Pune
Subject :NSO    Class : Class 6

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Swastik from st marys school, new delhi
Subject :NSO    Class : Class 5

Ans 1:

Mahi Pimparkar from Vibgyor High, Pune
Class : Class 5

Ans 2:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5

Ans 3:

Shloka Kulkarni from Pawar Public School, Nanded City, Pune
Class : Class 5
B is answer

Ans 4:

Maanvik Srivastava from Cornerstone, Hyderabad
Class : Class 5
THE CORRECT ANSWER SHOULD BE C . IT IS BECAUSE FOSSIL FUELS WERE FORMED FROM THE REMAINS OF DEAD ANIMALS AND PLANTS BURIED UNDER THE GROUND UNDER GREAT PRESSURE AND HEAT .

Ans 5:

Samriddh from ,
Class : Class 5
the correct answer is B

Ans 6:

Amal Amzath Ali from jss international school, dubai
Class : Class 7
no, the correct answer is b

Ans 7:

Aditya Basera from Teoler High School, Jaipur
Class : Class 7
b is correct

Ans 8:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
fossil fuel were formed over a long period of time because heat and pressure were applied to nitrogen

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11140 from pawar public school, Pune
Subject :NSO    Class : Class 6

Ans 1:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10

Ans 2:

Krishiv Gupta from Sat Paul Mittal School, Ludhiana
Class : Class 6
Class : 5

Ans 3:

SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Class : Class 6

Ans 4:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 5:

Kushal Gupta from Vibgyor High, Bangalore
Class : Class 6

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

Ans 1:

swasti from modern vidya niketan, Faridabad
Class : Class 7
The answer should be D as the truck is in motion

Ans 2:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9

Ans 3:

Sahil Ray from Podar International School, Thane
Class : Class 7
the answer is D as the position of the truck will change and the object will be there . I got it correct

Ans 4:

Vedang Shridhar Sasturkar from Vasant Valley School, New Delhi
Class : Class 7
The answer should be "c" as 'ahead' means toward the direction of the moving truck, but still option B is wrong

Ans 5:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 6:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4

Ans 7:

Anish Ranjan Senapati from V S VIDYALAYA, KORAPUT
Class : Class 5

Ans 8:

Vallabh250 from L v h malegaon , MALEGAON
Class : Class 7
Va

Ans 9:

Rohan A Gowda from Jnana Sagara International Public School, Channarayapatna
Class : Class 7
The answer is Option B, Because of the inertia the object falls exactly on the point below the midpoint of the ceiling. If instead of constant velocity there was acceleration, Then option D would be correct if acceleration was positive, if it was negative then option C If zero in this case it is option B.

Ans 10:

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

Ans 11:

RIYA D MARGHADE from TVS VELAMMAL VIDYALAYA PONNERI, CHENNAI, CHENNAI
Class : Class 3
Won't the object in rest in the perspective of the truck?

Ans 12:

Srinivas Ashutosh Sahoo from Kendriya Vidyalaya ASC Centre, Bangalore
Class : Class 7
Answer should be d

Ans 13:

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

Ans 14:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9

Ans 15:

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

Ans 16:

Anish Ranjan Senapati from V S VIDYALAYA, KORAPUT
Class : Class 5

Ans 17:

Bahulika Mall from Delhi Public School Nacharam , Hyderabad
Class : Class 7

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Sindhura Dumbala Reddy from Global Indian International School, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

Pranay patel from DPS east, Bangalore
Class : Class 5

Ans 2:

Arjun120914 from St. Andrews world school, Ghaziabad
Class : Class 5
D

Ans 3:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4
D

Ans 4:

Bhanu V from World One , Hyderabad
Class : Class 4
D

Ans 5:

Kanishk gupta from Prime academy, Pune
Class : Class 5

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PRANAV VELDURTI from meridian school madhapur, hyderabad
Subject :NSO    Class : Class 5

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Archit Borkar from SSVM World School, Coimbatore
Subject :NSO    Class : Class 3

Ans 1:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 9
answer is B

Ans 2:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7
B

Ans 3:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8

Ans 4:

Atri Pradhan from Oxebow English School, Gobardanga
Class : Class 3
b

Ans 5:

Shruti from ,
Class : Class 1
c

Ans 6:

Divit khandelwal from DPS bopal Ahmedabad , AHMEDABAD
Class : Class 3
answer is bbbbbbbbbbbbbb

Ans 7:

FAIZA AMIN from SAINT XAINS INTERNATIONAL SCHOOL ANANTNAG, ANANTNAG
Class : Class 3
C

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