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Yashaswee Gupta from Bhavan's Vidyashram, Jaipur
Subject :NSO    Class : Class 4

Nidhi knocked three metal thumbtacks into the middle section of a block of wood and covered this section with a piece of white paper. Then, she brought a lighted candle near this section.
After few seconds, she removed the lighted candle and found burn marks on the paper except on the areas where the thumbtacks were present. Which of the following best explains this observation?


A The paper was a good conductor of heat.
B The thumbtacks and the paper had different temperatures.
C Some parts of the wood absorbed the heat from the candle flame.
D The thumbtacks conducted heat away quickly before the paper could get burnt.


Ans 1:

Atheeq Ahmed Shaik from Ravindra Bharathi Global School, chennai
Class : Class 6
d

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The correct answer should be A!!!!!

Ans 3:

Atheeq Ahmed Shaik from Ravindra Bharathi Global School, chennai
Class : Class 6
d

Ans 4:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 5:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
Class : Class 3
The thumb tacks were a good conductor of heat it was knocked in the wood so it could have easily condected the heat in itself

Ans 6:

ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Class : Class 9
IT IS D ANURADHA 4 C SVN KUTTUMUKKU

Ans 7:

Sayan Duary from Vidyasagar Shishu Niketan, Paschim Medinipur
Class : Class 7
The correct answer will be D

Ans 8:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6
I can't get the answer of this one.

Ans 9: (Master Answer)

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

Ans 10:

SRISANTH from Edify, Tirupathi
Class : Class 5

Ans 11:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
No idea........can someone just tell me how D??????????????????????????????

Post Your Answer

Adithi Keshava from National Center For Excellence , Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
it is aright answer.

Ans 2:

Samika Ranjan from The Shri Ram School Aravali, Gurgaon
Class : Class 7
c. the length of an rectangle is 10 so the length of all the rectangles (perimeter only) is 80. 80-108=28. 28÷4=7.

Ans 3:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 6
correct answer

Ans 4:

Bushra aslam from uttam, Ghaziabad
Class : Class 8
It is correct answer!

Ans 5:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 6:

Bushra aslam from uttam, Ghaziabad
Class : Class 8
P

Ans 7:

Saanvi Agarwal from New Town School, Kolkata
Class : Class 4
No it is not the write answer

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Yashaswee Gupta from Bhavan's Vidyashram, Jaipur
Subject :NSO    Class : Class 4

Ans 1:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
Answer: option D

Ans 2:

Pradhyumna from J S S Public School, Bengaluru
Class : Class 4
C

Ans 3:

Rozan nirmali from GIIS, japan
Class : Class 5
The correct answer is D.

Ans 4:

Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Class : Class 5
JOk

Ans 5:

Sunayana singh from Apeejay, Navi Mumbai
Class : Class 6
you all are wrong because I wrote ans. b and it showed that my answer was correct

Ans 6:

Samvita Patil from NHVPS, Bangalore
Class : Class 5
what!!

Ans 7:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6

Ans 8:

Rida from VIBGYOR ROOT AND RISE MALAD, MUMBAI
Class : Class 5
The answer is D

Ans 9:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
Sunayana Singh , THAT MUST BE AN ERROR , HOW ARE WE SEEING THAT CORRECT ANSWER IS D !!!!!!

Ans 10:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Answer is 'D'.The premolars grind food.Rest all are wrong matches, only this is correct

Ans 11:

Vivaan gulati from NPS international , Singapore
Class : Class 5
its d for gods sake

Ans 12:

somesh from Centre point katol road, Nagpur
Class : Class 6
It is d

Ans 13:

Pradhyumna from J S S Public School, Bengaluru
Class : Class 4
C

Ans 14:

Ayaansh Singhal from Pinewood School, Saharanpur
Class : Class 6
the question is wrong

Ans 15:

Sara Tilloo from Hiranandani Foundation School, Mumbai
Class : Class 5

Ans 16:

Akarsh Anand from DPS Gurgaon , Gurgaon
Class : Class 5
the correct option is D

Ans 17:

Rishikesh from GIIS, Kuala Lumpur
Class : Class 4

Ans 18:

ANAY GUPTA from CMS KANPUR ROAD LUCKNOW, LUCKNOW
Class : Class 8
answer is d

Ans 19:

Abhigyan Sinha from Podar International School, Powai, Mumbai, Mumbai
Class : Class 7
correct answer is D

Ans 20:

Samvita Patil from NHVPS, Bangalore
Class : Class 5
how is premolar a grinder it is a cracking teeth Vivaan Gulati

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Shaurya from Modern Public School, Bhiwadi
Subject :NSO    Class : Class 4

Ans 1:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 8

Ans 2:

Student from School, City
Class : Class 5
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

Ans 3:

Student from School, City
Class : Class 5
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllkkkkkkkkk

Ans 4:

Manan thorat from Podar powai, Mumbai
Class : Class 4
B is the answer because bubbles are melting inside a pack cointanier so that procces is called as condenstation.

Ans 5:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
how is B correct??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 6:

Utsavi Priya from DPS RUBY PARK, KOLKATA
Class : Class 8

Ans 7:

Pradhyumna from J S S Public School, Bengaluru
Class : Class 4
C is correct

Ans 8:

Prakriti Singh from Ryan International School, Pune
Class : Class 4
B is the answer

Ans 9:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
b is correct shivan dpga

Post Your Answer

Shaurya from Modern Public School, Bhiwadi
Subject :NSO    Class : Class 4

Ans 1:

k tagore from montessori school, KURNOOL
Class : Class 3
The answer is b

Ans 2:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
thanks Jaya Shree

Ans 3:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
its b

Ans 4:

Pradhyumna from J S S Public School, Bengaluru
Class : Class 4
B

Ans 5:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2

Post Your Answer

Mrinaal nandini from Kendriya Vidhyalaya Rohini sector 8, Delhi
Subject :NSO    Class : Class 4

Ans 1:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
the ans is D overgrazing

Ans 2:

Radhika Jain from Sushila Birla Girls' School, Kolkata
Class : Class 5
No doubt it is D ( A - EmbankmentB- Terrace FarmingC- Afforestation D - Overgrazing )( Others prevent soil erosion )

Ans 3:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
D IS THE ANSWER

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 5:

Priyanshi from Delhi Public School, Gurugram
Class : Class 4
D is the correct answer

Ans 6:

Ryan from YBIS , SINGAPORE
Class : Class 5

Ans 7:

Rahul from Cambridge school, noida
Class : Class 4
why option d that is overgrazing.... why not Terrace farming that is b

Ans 8:

shreyash rawat from podar international school, pune
Class : Class 8
its [d] -overgrazing

Ans 9:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 7
D is correct as when you will unscramble the other options all of them prevent soil erosion but D will not (A-embankments B-terrace farming C-afforestation D-overgrazing).....😄

Post Your Answer

punyah from kvs happy valley, shillong
Subject :NSO    Class : Class 4

Ans 1:

shreyash rawat from podar international school, pune
Class : Class 8
its [D]

Ans 2:

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow
Class : Class 6

Ans 3:

Daivik Goel from Delhi public school , Vadodara
Class : Class 4
The correct option is -(D)

Ans 4:

Swarnava Pal from Vivekananda Mission School, Haldia
Class : Class 8

Ans 5:

Isra Fathima from sophia high school, Bengaluru
Class : Class 7

Ans 6:

Devansh from asn senior secondary school, delhi
Class : Class 8
its [D]

Ans 7:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
d

Ans 8:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 4
Option D

Post Your Answer

Atharva Kumar Tiwari from DPS, Faridabad
Subject :NSO    Class : Class 4

Ans 1:

RC from Vibgyor, Navi Mumbai
Class : Class 4
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDdddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 2:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 7
D is correct

Ans 3:

Manan thorat from Podar powai, Mumbai
Class : Class 4
D is the correct Answer

Ans 4:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
holi comes in March and spring starts from 2nd month that is feb. ans 3 is correct

Ans 5:

Annika from presidency, bangaluru
Class : Class 5

Ans 6:

Aarya Ranjan from chrysalis, bangalore
Class : Class 4
d

Ans 7: (Master Answer)

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

Ans 8:

Abhinha Ajay Ovhal from Podar International School, Latur
Class : Class 6
the correct answer is C.

Ans 9:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
https://www.sofolympiadtrainer.com/forum/user/467395 After Holi summer comes so it should be D; i.e.summer

Ans 10:

Pratham Mehta from Shriram millenium school noida, NOIDA
Class : Class 6
Ans D is correct as spring starts in early February and holy comes in march almost after a month and in March it get's really hot so the and should be D summer

Ans 11:

Rivan Vyas from New Horizon Thane, Thane
Class : Class 1
Should this be D...summer

Ans 12:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6

Ans 13:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
After Holi summer comes so it should be D;i.e.summer

Ans 14:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
holi is on 28th march so why is holi not the marks of summer season coming?can someone explain it pls

Post Your Answer

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

Ans 1:

Atharva Tambe from Thakur International School, Mumbai
Class : Class 9
b

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

Post Your Answer

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

Ans 1:

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

Ans 2: (Master Answer)

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

Ans 3:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 6
d

Ans 4:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
D

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