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Arkoprava Dey from Techno India Group Public School, Coochbehar, Coochbehar
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

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ANSHUMAN RAJ from ST.THERESA'S CONVENT SR.SEC.SCHOOL KARNAL, KARNAL,HARYANA
Subject :NSO    Class : Class 3

Ans 1:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 9
c is the ans

Ans 2:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 3:

Shruti from ,
Class : Class 1
D HE GAVE EXPLANATION

Ans 4:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
kunal is wrong

Ans 5:

Abhilash from ,
Class : Class 3
ahh... very easy answer is d

Ans 6:

Ram Prasanna from Basil Woods International, Hyderabad
Class : Class 3
D

Ans 7:

Vedansh from Akshara International school, Phne
Class : Class 3
c is the correct answer

Ans 8:

SS from meridian, hyderabad
Class : Class 5
abcd are correct

Ans 9:

Anagha from DPS BANGALORE NORTH, Bengaluru
Class : Class 3
It should be D

Ans 10:

Yatindra G from SBOA, Chennai
Class : Class 4
c maybe????

Ans 11:

ANWESHA THAKUR from DPS SECTOR 132 NOIDA, NOIDA
Class : Class 7

Ans 12:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9

Ans 13:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 14:

Aditri Dixit from TCIS, Bangalore
Class : Class 3
NA

Ans 15:

MAYANK from Jain Public School, REWARI
Class : Class 9
C

Ans 16:

Nivedha from Greenwood High, Bengaluru
Class : Class 3
HE DID NOT EXPLAIN.

Ans 17:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2

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arnav reddy from oakridge international school, hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 7
A is not correct D is correct

Ans 2:

akshitha from Euroschool, Bengaluru
Class : Class 3
all of these

Ans 3:

Kartikey Kumar Jindal from Dikshant International School, Zirakpur
Class : Class 5
Everyone thinks that a option is correct but it is wrong.The correct answer is d part.Everyone will think that chocolate is junk food.How can it give us the energy but chocolate contains fat.That's why when when we are hungry it gives us a lot of energy

Ans 4:

MAYANK from Jain Public School, REWARI
Class : Class 9
D

Ans 5:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 7
D is correct

Ans 6:

Vineet Banode from New Horizon Scholars School, Pune
Class : Class 5

Ans 7:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
all of these option(D)

Ans 8:

Samik Praveen from Euro School Airoli, Mumbai
Class : Class 6
All of these

Ans 9:

Mahima g pillai from Arya central school, Trivandrum
Class : Class 6
D

Ans 10:

MAYANK from Jain Public School, REWARI
Class : Class 9
A

Ans 11:

Shruti from ,
Class : Class 1
d and Gaurika actually chocolate contains fats

Ans 12:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Fruits (2) contain minerals and vitamins and are protective food. They help in recovering from illness. Overeating of fried food (1) leads to obesity as it contains fat that gets stored in the body. Chocolates (3) contain a lot of carbohydrates which give us energy when hungry.

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Vivek Gulavani from Innisfree House School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Kamal Manchenella from Delhi Public School, Hyderabad
Class : Class 7
I feel that it is D

Ans 2:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7
D, amount of water matters the most out of all.

Ans 3:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
D

Ans 4:

Adhrit from CHSV, Chennai
Class : Class 8
Definitely D

Ans 5:

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

Ans 6:

Tanmayi kiran giri from airforce force public school Vayusena Nagar, Nagpur, nagpur
Class : Class 9
I do agree it's D

Ans 7:

Anuraaj Salunkhe from St Gregorios High School, Mumbai
Class : Class 10

Ans 8:

Mehaan Bhatt from Pawar Public School , Mumbai
Class : Class 6

Ans 9:

Rithvik from BVM Global, Chennai
Class : Class 9
d

Ans 10:

Riyan Nayak from DPS Newtown, Kolkat
Class : Class 7
c should be the correct answer

Ans 11:

Shubham Ashish Kulkarni from APEEJAY PITAMPURA, DELHI
Class : Class 8
shape of dish also should be included. Amount of water poured doesnt matter as long as you are collecting equal volume in all dishes. Hence similar dishes is important.

Ans 12:

Shriyans from DPS Agra, Agra
Class : Class 8
D

Ans 13:

Shreyans Mondal from Sri Chaitanya Techno School Kaggadasapura Campus 1, Bengaluru
Class : Class 10

Ans 14:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9

Ans 15:

Antareep Mukherjee from New Horizon Public School, Bangalore
Class : Class 8

Ans 16:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
The amount of water also matters right

Ans 17:

Aanya from DAV, Gurgaon
Class : Class 8
Option D is the correct answer

Ans 18:

aditya ranjan from gyan niketan , patna
Class : Class 7
i think amount of water also nedd

Ans 19:

shreya from GIIS, KualaLumpur
Class : Class 5

Ans 20:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9
I think D is the correct answer

Ans 21:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7
All the given factors are required for a fair test ; So option D would be the correct answer

Ans 22:

Palash sachin patel from Kips, Patan
Class : Class 8
d is correct answer

Ans 23:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4
Water is also correct

Ans 24:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

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Aswath Krishna from DPS EAST, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Advay Das from Delhi Public School, Gurgaon
Class : Class 5

Ans 2:

RUDRAKSH BISWAS from MAYOOR PRIVATE SCHOOL, ABU DHABI
Class : Class 6
It really should be A

Ans 3:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
C because we can get clay back from a wet pot by smashing it,but once it heats up, it dries the clay and makes it stone hard.

Ans 4:

Vidula Malkar from DPYA High school, Mumbai
Class : Class 7
a is the correct answer because chemical composition dose not change

Ans 5:

Tanishtha from DPS, Greater Noida
Class : Class 7
c is the correct answer

Ans 6:

D Murari from Indian School of Excellence, Bangalore
Class : Class 9
C,because- it is a chemical change. after baking we can break it into smaller particles but it won't form the same clay, with same properties again

Ans 7:

ridhima from mdps, faridabad
Class : Class 6

Ans 8:

Anika Saha from New Town School, KOLKATA
Class : Class 6
The answer is A.

Ans 9:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
answer is a

Ans 10:

ATHARV RAHUL MAHAJAN from ST. STEPHENS SCHOOL CHANDIGARH, SAS NAGAR
Class : Class 6
IF WE SHARP A PENCIL IT IS A PHYSICAL IRREVERSIBLE CHANGE .SO,IF WE HEAT A POT IS PHYSICAL IRREVERSIBLE CHANGE. BUT IT COULD HAPPEN THAT THE COMPOSITION OF CLAY MIGHT CHANE BECAUSE OF HEATING AS THE MOLECULES STICK TO EACH OTHER

Ans 11:

Arnesh from dps, delhi
Class : Class 6
It should be A

Ans 12:

Rasha Ranjan from DPS NOIDA , Vaishali
Class : Class 6
Yes ,Because chemical means change in the properties but there is no change .The answer is A

Ans 13:

Hridhaan Talukdar from National Public School Koramangala, Bangalore
Class : Class 7

Ans 14:

Archisman Rout from Podar International School, Powai
Class : Class 7
A is correct because it just turns hard but it is still clay only.And also chemical change doesn't mean that it is irreversible,Chemical change means that the identity of the substance we started with is lost.Here the identity is not lost.So A is correct.

Ans 15:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
A is the correct answer

Ans 16:

Sohan Choudhury from Delhi Public School Electronic City Bengaluru, Bengaluru
Class : Class 6
on heating, the clay pot doesn't turn into stone,right?it doesn't change composition once heated , it is still clay ! answer is "A"

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Vivek Gulavani from Innisfree House School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
ans is option C

Ans 2:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
answer is option c

Ans 3:

Parshti Bajpai from Modern Public School, ALWAR
Class : Class 7
Please explain it to me.

Ans 4:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9
can someone explain why?

Ans 5:

Aksh Swarnkar from National Center for Excellence CVR, Bangalore
Class : Class 8

Ans 6:

Aarnavi Mann from Scholars rosary Sr. Sec. School, Rohtak
Class : Class 8

Ans 7:

Praveen Rai from Lotus Valley International School, Noida
Class : Class 7

Ans 8:

Lakshya Vijeta from Afgji, New Delhi
Class : Class 8
Option D is correct. I dont know why. Please explain

Ans 9:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
ans is option C

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Pradhyumna from J S S Public School, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Sandipta Bhattacharjee from Sri Ram Narayan Singh Memorial High School, Kolkata
Class : Class 5
jk kj;

Ans 2:

Sandipta Bhattacharjee from Sri Ram Narayan Singh Memorial High School, Kolkata
Class : Class 5
Not kerwa its kewra. It is an extract that is distilled from the flower of the Pandanus plant. Kewra water is very similar to rosewater. It is used to flavour South Asian cuisine.

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SANAJY GOPAL BHARTARIYA from ST. FIDELIS COLLEGE, LUCKNOW
Subject :NSO    Class : Class 6

Ans 1:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
As it goes up,kinetic energy decreases due to gravity while potential energy increases with height. As it comes down, kinetic energy increases due to gravity while potential energy decreases.

Ans 2:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
it will be maximum near the ground

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SANAJY GOPAL BHARTARIYA from ST. FIDELIS COLLEGE, LUCKNOW
Subject :NSO    Class : Class 6

Ans 1:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
it will be maximum near the ground

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Prasuk Jain from Modern Delhi Public School, Faridabad
Subject :NSO    Class : Class 7

Saurabh burned two different fibres X and Y in order to identify them. X smelt like burning paper while Y smelt like burning hair. Which of the following options correctly identifies the two fibres?


Ans 1:

Aksh singh from The asian school, Dehradun
Class : Class 7

Ans 2: (Master Answer)

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

Ans 3:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 4:

Aparajita Biswas from Don Bosco School Silchar, SILCHAR
Class : Class 7
THE CORRECT ANS IS OPTION C

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X Y
(A) Wool Silk
(B) Cotton Rayon
(C) Cotton Silk
(D) Silk Wool