National Science Olympiad Forum By SOF Olympiad Trainer - Page 730
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1:

Ayushi from DPS Noida, Noida
Class : Class 4
Ans A would be right if it says Sharpest sound !Ans D is correct in this case as it ask loudest sound

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
D D D IT IS D I WILL TELL YOU IT IS DI WILL TELL YOU THAT I AGREEWITH SOMEONE OVER HERE CALLED AYUSHI

Ans 3:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
@Soumya Bajaj is right. @Vansh Garg, have you measured the sound's frequency in Decibels? The correct answer is A because the thinner the rubber band, the more it will strech and the more it will strech, the more sound it will produce.(Master Answer)

Ans 4:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
GIVE SOLUTION

Ans 5:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
I will also agree with Ayushi

Ans 6:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7
D is wrong.

Ans 7:

Ambit Biswas from Oriental Public School, Kalyani, Kalyani
Class : Class 5
The answer is D because A, B and C have thin rubber band and in D, the rubber band is Fat.

Ans 8:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
The answer should be d because the rubber band is wider so it is striking back on the wooden piece on more area.

Ans 9: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 10:

Soumya Bajaj from Rainbow Internatinal School, kopergaon
Class : Class 4
AS THINNER RUBBER WOULD BE PULLED TO A MAXIMUM DISTANCE HENCE MORE SOUND.

Ans 11:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
I have done some practical observations and found that the fatter rubber band produces louder sound than A,B,C .Correct ans... is D

Ans 12:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
The answer will be D because big rubber band so more sound as the wide rubber band is striking back on more part of the wooden piece.

Post Your Answer

swagat sibsshish from davpublic school cuttack, Cuttack
Subject :NSO    Class : Class 6

Ans 1:

swagat sibsshish from davpublic school cuttack, Cuttack
Class : Class 8
interesting questions

Ans 2:

swagat sibsshish from davpublic school cuttack, Cuttack
Class : Class 8

Post Your Answer

Annika from Apeejay School, Noida
Subject :NSO    Class : Class 9

Ans 1:

Safi Ahmed from ,
Class :
a

Post Your Answer

Aditri Gogoi from Delhi Public School, Jamnagar
Subject :NSO    Class : Class 2

Post Your Answer

Apoorv Raut from Podar International School Jalna, Jalna
Subject :NSO    Class : Class 5

Ans 1:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 2:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5
C

Ans 3:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
: classeasy

Ans 4:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
Ans:- C] X - Solid,Z - Gas,P - Freezing

Ans 5:

Ishi Goyal from Lakshdham High School, Gokuldham, Goregaon East, Mumbai
Class : Class 5
C

Ans 6:

DIYA NOBY from VISWAJYOTHI CMI PUBLIC SCHOOL, ANGAMALY
Class : Class 8
ans C is the correct answer

Ans 7:

anita from Manan Vidya Ranchi, Ranchi
Class : Class 4
C

Ans 8:

Ishi Goyal from Lakshdham High School, Gokuldham, Goregaon East, Mumbai
Class : Class 5
C

Ans 9:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6

Ans 10:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
answer is 'c'

Ans 11:

Goutham Ram from Lecole' Chempaka International, Trivandrum
Class : Class 5
I know it's C. But I can barely understand the difference between z and y.

Ans 12:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
C, SeeSea

Ans 13:

Yashasvika from Euro World School, Sri Ganganagar
Class : Class 5
can be c

Ans 14:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6
ans is c

Ans 15:

Hiyansh Jain from Podar International School, Mumbai
Class : Class 7
C is the correct answer

Ans 16:

Aishee Sarkar from St. Stephens School , Kolkata , West Bengal, Kolkata
Class : Class 4
C

Ans 17:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
Ans:- C] X - Solid,Z - Gas,P - Freezing

Post Your Answer

Asmi Raniga from Indian school Ghubra, Muscat
Subject :NSO    Class : Class 3

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9

Ans 2:

Miheet parikh from Jamnabai narsee school, Mumbai
Class : Class 2

Ans 3:

Saachi Bhalgat from Vibgyor Yerwada, Pune
Class : Class 2

Ans 4:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
B

Ans 5:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 9

Ans 6:

S from , JAJAPUR
Class : Class 4
nice explanation.

Ans 7:

Abhijay Saha from Delhi Public School, Megacity, Kolkata
Class : Class 3
the solution was not correct because it is showing the body parts explanation

Ans 8:

Kashika Goel from DPS Noida, Noida
Class : Class 7
Really!

Ans 9:

Ashwak from Cambridge, Jalandhar
Class : Class 9
What the hell , they are saying [ Backbone is the part of Skeletal system ]

Post Your Answer

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
Class : Class 7
I think that the picture is not clear with what is asked. I don't understand what is hanging from the hand. And everything responds to gravity .

Ans 2:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7

Post Your Answer

Sarah fatima from St Arnold's central school, Pune
Subject :NSO    Class : Class 7

Post Your Answer

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Subject :NSO    Class : Class 7

Ans 1:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
in question it energy not breathing

Ans 2:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
adenosine triphosphate the energy currency

Ans 3:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
adenosine triphosphate the energy currency

Post Your Answer

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

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

Ans 2:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 3:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
D

Ans 4:

Aarush chakraborty from Jss pvt, Dubai
Class : Class 8

Ans 5:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 6:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 7:

Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Class : Class 9
Admin from revisewise how?

Ans 8:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 9:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
I mean c was wrong

Ans 10:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
D but in level 2 same question ans given as c

Ans 11:

VISHNU T M from b, Bengaluru
Class : Class 9
The correct answer is obviously option c.

Ans 12:

Shravan from Harvest International School , Bangalore
Class : Class 9
I think I can explain this. We know it has to be a metal bowl so that it conducts the heat from the milk. Now, if we have a thinner bowl, the conducted heat can be transferred to the air faster and more efficiently. That's why I think the answer is c and not d.

Post Your Answer