National Science Olympiad Forum By SOF Olympiad Trainer - Page 439
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aikya from psbn, bangalore
Subject :NSO    Class : Class 6

Ans 1:

Falguni from Navkis, Bangalore
Class : Class 7
Yeah,the answer is D

Ans 2:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
Option A states that I and IV are reversible changes????!!?!?!?!?

Ans 3:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
IV is burning of wood which is an irreversible change. How can it be D??

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Vedika from bal bharti public school, Delhi
Subject :NSO    Class : Class 4

Ans 1:

Divyamsh from The Sky World School, Panchkula
Class : Class 5
It should other way around as in hydroelectricity generation mechanical gets converted to electrical

Ans 2:

ARNAV BANSAL from Arwachin International School Pilkhuwa, PILKHUWA
Class : Class 6

Ans 3:

Baibhab Mishra from City Pride, pune
Class : Class 4
Hydroelectricity can be used in things like fans. Here , Electrical energy(Hydroelectricity)----->changes into----->Mechanical energy(fan)

Ans 4:

ARNAV BANSAL from Arwachin International School Pilkhuwa, PILKHUWA
Class : Class 6

Ans 5:

Devank Jain from HBK High School, Ahmedabad
Class : Class 4
can anyone explain how chemical energy related to grass

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PARNIKA SINGH from GYAN GANGA EDUCATION ACADEMY, RAIPUR
Subject :NSO    Class : Class 6

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Aditya Sai Vemparala from Amanora school, Pune
Subject :NSO    Class : Class 7

Ans 1:

Saanvi from Dehli Public School , Gurugram
Class : Class 4

Ans 2:

Mrittika Roy from DPS Ruby Park, Kolkata
Class : Class 6
there are only 4 items in each option, but there are five blanks

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Chanpartap from The British Co Ed High School , Patiala
Subject :NSO    Class : Class 7

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Spandan Pradeep Pathare from Takshila school , Ahmednagar
Subject :NSO    Class : Class 7

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Falguni from Navkis, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 10
this was ez...

Ans 2:

Satvik Pattanaik from GreenwoodHigh, bangalore
Class : Class 6

Ans 3:

Ritabrata Das from OPJS, Angul
Class : Class 7

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Vedant , Displacement is the shortest distance from the initial point and the final point of a moving body

Ans 5:

SKIyer from CNS, Mumbai
Class : Class 6

Ans 6:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
whats displacement

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Sujata Samal from Alchemy school, Surat
Subject :NSO    Class : Class 9

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Alisha from Delhi Public School , bopal, Ahemdabad
Subject :NSO    Class : Class 3

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Option a is correct

Ans 2:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7
Isn't the answer wrong?

Ans 3:

Gurnoor from Chitkara International School, Chandigarh
Class : Class 4
my ans is a

Ans 4:

Baibhab Mishra from City Pride, pune
Class : Class 4
A as Frog,Lizard,Duck,Crow and parrot lay eggs:- -Lizard is a reptile;it lays eggs -Duck,Crow and Parrot lay eggs;They are birds -Frog lays eggs;it is an amphibian

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