National Science Olympiad Forum By SOF Olympiad Trainer - Page 375
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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

Ashi Goyal from Sacred heart convent school,raikot road,barnala, punjab
Class : Class 6
answer is d only.it is right

Ans 2:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is B 1.92 sec

Ans 3:

Lohithakshith Pati from Olive international school , qatar
Class : Class 8
why

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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is. A . correct explanation is on the answer .metals expand on heating !

Ans 2:

Shreyasi Padihary from National Public School East , Bengaluru
Class : Class 7
Bro in option A it says CONTRACTION IN HOT WEATHER not EXPANSION IN HOT WEATHER. Read carefully

Ans 3:

Shreya Yegna Narayanan from psbb, chennai
Class : Class 6
Hey! They have given contract see properly!

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Shreya Shruti from Airforce school , Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

Advita Ghelani from Rustomjee Cambridge, Mumbai
Class : Class 3
Small Intestine

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Shreya Shruti from Airforce school , Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
Plants grow well in loamy soil so the option A should have loamy soil as the correct answer.

Ans 2:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7

Ans 3:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 9

Ans 4:

Advita Ghelani from Rustomjee Cambridge, Mumbai
Class : Class 3
Plants grow well in it since they can retain water and are loosely held

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Aarav Srivastav from DWPS , Noida Extension
Subject :NSO    Class : Class 6

Ans 1:

Vikram from AVM, Mumbai
Class : Class 5
Therefore none of the answers are right because tea leaves and polybags are are never incinerated

Ans 2:

Vikram from AVM, Mumbai
Class : Class 5
Polybags can never be incinerated ! pls check answers and dont confuse students

Ans 3:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

Ans 4:

SHIRIN BHATTACHARYYA from St. Joseph's Convent School, KHANDWA
Class : Class 10

Ans 5:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

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Amol Athawale from WoodRidge High, aurangabad
Subject :NSO    Class : Class 8

Ans 1:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7
how is cow dung cake an inexaustible resource?

Ans 2:

Garv T from Lilavatibai Podar, Mumbai
Class : Class 9
are forests and minerals really exhaustible resources?

Ans 3:

Gaurish Singla from DPS School Sector 19, Faridabad
Class : Class 8

Ans 4:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
Forests and Minerals are DEFINETELY exhaustible resources, but Cow Dung Cakes are also exhaustable.

Ans 5:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 6:

Antarik Maity from Bharatiya Vidyabhaban, Kolkata
Class : Class 8
How can cow dung cakes and forests and minerals be an exhaustible resource as cow dung cakes are available in abundance and it will be available till all the cows on the earth die and sane goes for the forests. Minerals are also available in abundance and they are definitely inexhaustible.

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Vihaan kohli from MVN Aravali, Faridabad
Subject :NSO    Class : Class 3

Ans 1:

Jivyan from KIIT world school, Gurgaon
Class : Class 3
b

Ans 2:

Achyut Rai from THE KHAITAN SCHOOL, NOIDA
Class : Class 7
B

Ans 3:

Advita Ghelani from Rustomjee Cambridge, Mumbai
Class : Class 3
Beena, Ashu and Shuchi because Kiwi, Ostrich, Emu cannnot fly Penguins have a thin coat of feathers All birds lay eggs THEY ALL HAVE BEAKS AND A BACKBONE

Ans 4:

ADHRIT SINGH from RPM ACADEMY, Gorakhpur
Class : Class 1
The correct answer is B.

Ans 5:

AADYA TANDON from DPS NOIDA SEC-30, Noida
Class : Class 5
B

Ans 6:

Ava from trio, bangalore
Class : Class 2
B

Ans 7:

Shruti from ,
Class : Class 1
B

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Syed Mohammad Hussain from ISAM, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Shreejith from EuroSchool , Bangalore
Class : Class 7
CWhen a bomb explodes,chemical energy stored in the chemicals that form the bomb converts into heat, sound and light energy.

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

When a bomb explodes, chemical energy stored in the chemicals that form the bomb converts into heat, sound and light energy.


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Amol Athawale from WoodRidge High, aurangabad
Subject :NSO    Class : Class 8

Ans 1:

Kaushik Srivatsa H from Bala Vidya Mandir Global, Bangalore
Class : Class 7
Silver turns black, not green. And also silver does not react with water. So, obviously D is the answer.

Ans 2:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
ans D is the correct answer as silver turns black after reaction to hydrogen sulphide

Ans 3:

Daksha Swaminathan from Horiozon Scholars and Neo Kids, Mumbai
Class : Class 8

Ans 4:

Student from School, City
Class : Class 8
Silver can also react with SO2, sulphur dioxide, to tarnish.

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