National Science Olympiad Forum By SOF Olympiad Trainer
  1. Home
  2. /  Forum

User Forum

Ask Your Question
ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Subject :NSO    Class : Class 5

Post Your Answer

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Krethick Ravichandran from Yuvabharathi International School, Singapore
Class : Class 6

Ans 2:

Krethick Ravichandran from Yuvabharathi International School, Singapore
Class : Class 6

Ans 3:

Krethick Ravichandran from Yuvabharathi International School, Singapore
Class : Class 6

Ans 4:

Krethick Ravichandran from Yuvabharathi International School, Singapore
Class : Class 6

Ans 5:

Nihaar from Kendriya Vidyalaya Malleshwaram , Bengaluru
Class : Class 7
can any one explane this

Ans 6:

Anita from DPS, Xxx
Class : Class 7

Ans 7:

KOUSTUV JENA from RYAN INTERNATIONAL SCHOOL, RAIPUR
Class : Class 6

Ans 8:

Krethick Ravichandran from Yuvabharathi International School, Singapore
Class : Class 6

Post Your Answer

from dpsnoida, Noida
Subject :NSO    Class : Class 4

Ans 1:

Samyaraj Chowdhury from Indus Valley World School, Kolkata
Class : Class 5

Ans 2:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
My answer is c. In position 3 northern hemisphere is exposed to the sun.

Ans 3:

Bidyashree Panda from Royal Concord International School Begur, Bangalore
Class : Class 4
the answer should be c.

Ans 4:

Riya from Bhavan Vidyalaya, Chandigarh
Class : Class 4
the correct answer should be C

Ans 5:

BV Karthikeya from Sentia, Hyderabad
Class : Class 5
ans should be c

Ans 6:

Manya Pujar from EuroSchool, Davangere
Class : Class 4
can some one explain

Ans 7:

Ishita from vivekanand school, New Delhi
Class : Class 4
the answer is b

Ans 8:

DHEER PANDEY from CORNERSTONE SCHOOL, Hyderabad
Class : Class 6
maybe the answer is d

Ans 9:

Purnendu srikar from National CENTRE FOR EXCELLENCE, bangalore
Class : Class 1
can someone explain this question

Post Your Answer

Srikrish Subramanian from Hindu SSS, Chennai
Subject :NSO    Class : Class 6

Two bar magnets suspended by string, are separated by a piece of metal. Which of the following statements best explain the outcome shown in the diagram?


A Only like poles attract.
B The magnets have lost their magnetic forces.
C The metal exerts a magnetic field which attracts the magnets.
D The magnetic field of the magnets cannot pass through the metal.


If the magnetic field can't pass through the metal why are the magnets attached to the metal

Ans 1:

from ,
Class : Class 8
The metal is a magnetic material and like poles repel each other, so there is no conclusion about magnetic field passing through the metal

Ans 2:

tanay Nasikkar from bgs nps, bangalore
Class : Class 7

Ans 3:

Anmol kathar from deogiri global academy, aurangabad
Class : Class 7
magnetic field can pass through metal. but her is such condition where metal is magnetic so it attract both magnet

Post Your Answer

Vania Aravindan from Unicent School , Miyapur Hyderabad
Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Post Your Answer

KISHORE KUMAR E from MAHARISHI INTERNATIONAL RESIDENTIAL SCHOOL, SUNGUVARCHATHIRAM
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

Post Your Answer

Subash kandoth from New horizon public school , Navi Mumbai
Subject :NSO    Class : Class 8

Ans 1:

ketaki kul from sanskriti school, Pune
Class : Class 9
ans is C. in first row the head count (from right to left ) is 1+1=2, in second row the head count (from right to left ) is 2+1=3,hence in the third row the head count will be 0+2=2, hence the answer is C.

Ans 2:

Subash kandoth from New horizon public school , Navi Mumbai
Class : Class 10
Please explain it

Post Your Answer

RiptideMel from Modern Vidya Niketan Senior Secondary School Sec 17, Faridabad
Subject :NSO    Class : Class 9

Ans 1:

Shalin Jain from NKDAV Sidheegram, Sidheegram
Class : Class 9
Option D because Kinetic energy means work done. Therefore, it can be said that work is done on body or can be said mass. W = F*D(Force * Displacement). Therefore it is independent of mass.

Post Your Answer

ANANYA.KUMAR from DPS Noida, Noida
Subject :NSO    Class : Class 5

Ans 1:

nishant doshi from new era senior secondary school nizampura vadodara, Vadodara
Class : Class 6
Sun 's surface is about 6000 degrees celcius and blue star is 28000 degrees celcius so to find the answer 28000 -6000 which equals to 22000degrees celcius is blue star hotter than Sun .

Post Your Answer

Sarbari Pal from DPS FARIDABAD, Faridabad
Subject :NSO    Class : Class 6

Ans 1:

Sevanthi. B. R from Saint Paul's English school, Bengaluru
Class : Class 6
Tricky

Ans 2:

Anmol kathar from deogiri global academy, aurangabad
Class : Class 7
the fig is wrong because the in the fig there should be repeltion and they have given attraction.

Ans 3:

Yoovanup from Hansraj Model School, New Delhi
Class : Class 6
B is the answer because like poles repel.

Post Your Answer