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RAJ TILAK from DELHI PUBLIC SCHOOL , DURGAPUR
Subject :NSO    Class : Class 6

Ans 1:

SAMPAD BANERJEE from DELHI PUBLIC SCHOOL , BILASPUR
Class : Class 6

Ans 2:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6

Ans 3:

Sucheta from Podar, Pune
Class : Class 8

Ans 4:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7

Ans 5:

Advik from DPS Patna, Patna
Class : Class 4

Ans 6:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9

Ans 7:

Akshara from sishya OMR , chennai
Class : Class 8

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Simarasees kaur from VENKATESHWAR GLOBAL SCHOOL, New Delhi
Subject :NSO    Class : Class 10

Ans 1:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
or in google

Ans 2:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
yes it happens but i have no solution

Ans 3:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
you check in YouTube

Ans 4:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
or in google

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 3

Beena, Shalu and Navpreet wanted to find out who among them had the biggest lung capacity. They decided to blow into a balloon with one breath and see how big it will become. Which of the following factors they must keep the same to make the test a fair one?
1. Colour and design pattern of the balloon
2. Size and shape of the balloon
3. When to breathe in forcibly before blowing
4. Material, balloon is made of

A 1 and 2 only
B 2 and 3 only
C 1, 3 and 4 only
D 2, 3 and 4 only


The answer is D

Ans 1:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 4
d

Ans 2:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5

Ans 3:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5
The answer is D

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Prathyush from Greenwood High Bannerghatta, Bangalore
Class : Class 7
the answer is c}

Ans 2:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5
The answer is C

Ans 3:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5

Ans 4:

Senaraj Chintagumpala from Delhi Public School East, Bangalore
Class : Class 3
c

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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Anvi Jain from School, City
Class : Class 10

Ans 2:

Sampurna Mandal from DAV Public School Jagganath Talcher, Angul
Class : Class 8
Thanks for the answer

Ans 3:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
It is polyester and not polythene. Therefore B is the right answer. Rayon IS regenerated from wood pulp.

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Rehan Agrawal from Indian School Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
B should be the correct answer

Ans 2:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
B is wrong, as protons cannot move from their positions in an atom.

Ans 3:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 6

Ans 4:

aditya arora from Heritage Experiential Learning School, gurugram
Class : Class 8
B is the correct answer, as the protons might be a part of the nucleus, but the nucleus as a whole is a positively charged particle as well, therefore, it moves to right

Ans 5:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
Class : Class 10
B is correct answer because,as we know protons are heavy and dont move but due to the movement of electrons protons are pushed towards the opposite direction

Ans 6:

ATANU DAS from ALLEN CAREER INSTITUTE , KOTA
Class : Class 9
Option (D), electrons move from left to right & the protons are stable in the nucleus and they never move.

Ans 7:

Student from School, City
Class : Class 8
B is the Wrong Answer. Protons do not move as they are fixed to their nuclei.

Ans 8:

Tarun from Narayana school, Chennai
Class : Class 8

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Anshita Bardoloi from Delhi Public School Guwahati, GUWAHATI
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because of this relationship: Sedimentary : Metamorphic : Igneous

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because of this relationship: Sedimentary : Metamorphic : Igneous

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Rehan Agrawal from Indian School Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Option A

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Atul Sanjeev from Indian School Al Ghubra, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Alay Shah from Euro School, Thane
Class : Class 5
Explanation in the solution is not matching any options. According to explanation option one and three are correct.

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yana from VIDYA VIKASINI HIGH SCHOOL, VASAI
Subject :NSO    Class : Class 4

Ans 1:

Aryan Bomanwar from Chirec international School, HYDERABAD
Class : Class 6
It's C coffee powder.

Ans 2:

NARAYANAN VENKITASUBRAMANI from THE PSBB MILLENNIUM SCHOOL, Coimbatore
Class : Class 6

Ans 3:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
coffee powder

Ans 4:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
coffee powder

Ans 5:

Manan thorat from Podar powai, Mumbai
Class : Class 4
The answer is D because D cant desolve in water while others can.So the answer is D.

Ans 6:

ANAY GUPTA from CMS KANPUR ROAD LUCKNOW, LUCKNOW
Class : Class 8
salt for the way

Ans 7:

Student from School, City
Class : Class 8

Ans 8:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Coffee Coffee Coffee Coffee Calls out Calls out the answer is C in the answer it is me it is me it is me

Ans 9:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
my actual answer is salt

Ans 10:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
Class : Class 3
Ans-d

Ans 11:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
why is chalk powder the correct answer?

Ans 12:

Saarang roy from Indian school ghubra, Muscat
Class : Class 6
The correct answer is d chalk powder because it is insoluble in water while the rest are not.

Ans 13:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
It's chalk powder

Ans 14:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Coffee powder

Ans 15:

yajur from dps vk, delhi
Class : Class 3

Ans 16:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
The correct answer is C . It will be coffee power.

Ans 17:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
It's chalk powder

Ans 18:

Ashwak from Cambridge, Jalandhar
Class : Class 8
chalk powder is insoluble in water while others are soluble, chalk powder can be separated from water by sedimentation and decantation or filtration but others need evaporation...… Now I think Harsh you understood why the answer is D!!

Ans 19:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
salt

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