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

User Forum

Ask Your Question
Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Post Your Answer

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Post Your Answer

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Deepika Goyal from Neerja modi school, Jaipur
Class : Class 7
THE ANSWER IS A. THEY ARE COMPETING

Post Your Answer

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 7
The correct option is option B. Work is a force that moves an object.

Post Your Answer

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

INDRANI GHOSH ROY from AMRITA VIDYALAYAM, Durgapur
Class : Class 5
Option C as Rohan and Anu made the correct statements

Ans 2:

INDRANI GHOSH ROY from AMRITA VIDYALAYAM, Durgapur
Class : Class 5
Option C as Rohan and Anu made the correct statements

Post Your Answer

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Post Your Answer

Aryan Goyal from DPS , Dwarka, New Delhi
Subject :NSO    Class : Class 3

Ans 1:

PRABAL PANDEY from ,
Class : Class 3
D

Ans 2:

Sneha Sarkar from South city international school, Kolkata
Class : Class 3

Ans 3:

PONMANIKANDAN PONRAJ from FAIPS, KUWAIT
Class : Class 3
The answer is A

Ans 4:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
The answer is A.

Ans 5:

Arjun from chirec heydrabad, heydrabad
Class : Class 4

Ans 6:

Snow White from Le Setea , Paris
Class : Class 4
A

Ans 7:

Sneha Sarkar from South city international school, Kolkata
Class : Class 3

Ans 8:

UTSAVI PRIYA from DPS NOIDA , NOIDA
Class : Class 3
A

Post Your Answer

Nilanjana De from Delhi Public School North, Bengaluru
Subject :NSO    Class : Class 7

An electric kiln has a device in it to prevent the kiln from getting too hot. The metals in the bimetallic strips expand at different rates and bend when heated. The contact points move apart and electric current stops flowing.

This device works when, _______.

AQ expands more than R, and P expands more than S
BR expands more than S, and Q expands more than P
CP expands more than Q, and R expands more than S
DP expands more than R, and S expands more than Q


Can someone explain this question with diagram?

Ans 1:

Praveen kumar from GD DAV Public school Bhandarkola Deoghar, deoghar
Class : Class 8
option B because of expansion the contact point get diverted

Ans 2:

Praveen kumar from GD DAV Public school Bhandarkola Deoghar, deoghar
Class : Class 8
option B because of expansion the contact point get diverted

Post Your Answer

RISHIRAJ SONI from DELHI PUBLIC SCHOOL,RAIPUR, Raipur
Subject :NSO    Class : Class 6

Ans 1:

swapnil bhowmik from thakur public school, mumbai
Class : Class 6
not all physical changes are reversible

Post Your Answer

Gaurav Mediratta from SRGS, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 4
B

Ans 2:

Atharva Tambe from Swami Vivekanand International School, Mumbai
Class : Class 4
b

Post Your Answer