National Science Olympiad Forum By SOF Olympiad Trainer - Page 831
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ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Shriyans from DPS Raipur, Raipur
Class : Class 7
Anti breaking system

Ans 2:

Dibyanshu Dibyajyoti Das from TATA DAV Public School, Joda,Keonjhar
Class : Class 5
Anti-lock Braking System

Ans 3:

Nandana from St Thomas Residential School, Trivandrum
Class : Class 10
Anti-lock braking system

Ans 4:

A Andrew from Lalaji Memorial Omega International School, Chennai
Class : Class 5
Antilock Break system

Ans 5:

USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Class : Class 6
The full form of ABS is Anti-lock Braking System.

Ans 6:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
The answer anti breaking system shiyans

Ans 7:

Shriyans from DPS Raipur, Raipur
Class : Class 7
Anti lock breaking system

Ans 8:

USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Class : Class 6
anti-lock braking system is the full form of ABS.

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shamyatha@gmail.com from smart minds academy, vadapalani
Subject :NSO    Class : Class 6

Ans 1:

Achintya k j from KENDRIYA VIDYALAYA GOLE MARKET, NEW DELHI
Class : Class 9
magnetic force

Ans 2:

SUBODH KUMAR from Delhi Public School, Bokaro
Class : Class 6
Magnetism is one of the fundamental properties of nature. While,the force possessed by a magnet ona any magnetic material is called magnetic force. Good question......

Ans 3:

deepanshu from Deens Acadamy, Bengaluru
Class : Class 6
the force of a magnet is called magnetic force .

Ans 4:

ramesh datta from DPS dwarka , New Delhi
Class : Class 7
the force of magnet is magnetic force. it comes in the type of non-contact forces (forces applied by one body on another without in actual contact).

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A Andrew from Lalaji Memorial Omega International School, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Nandana from St Thomas Residential School, Trivandrum
Class : Class 10
a rounded swelling or protuberant part

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Satweek Pradhan from Pallavi Model School, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Abhideep Jain from Delhi Public School, Amethi
Class : Class 7
There are 110 active volcanoes in Japan

Ans 2:

shyam narayan nayak from kendriya vidyalaya no-1 unit 9 BBSR, Bhubaneswar
Class : Class 5
There are about 110 live volcanos in japan..........

Ans 3:

Atulya tripathy from Delhi Public School, sector 45, Gurgaon
Class : Class 10
52

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Mayank Patel from Maharaja Agarsen Public School , Ghaziabad
Subject :NSO    Class : Class 8

Ans 1:

Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Class : Class 9
Lenses have a different property. You are talking about two different cases. First is property of 'refraction', and second is the property of 'convex lens'. This question is not correlated.

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Abhay Tyagi from Billabong High International School, Noida
Subject :NSO    Class : Class 6

Ans 1:

Mukil from Delhi Public School, ROORKEE
Class : Class 6
a piece of soft iron is taken, and then a insulated copper wire is spun around the piece of soft iron about 100 times. now a battery is connected to the copper wire.the copper wire works with the help of a dry cell(DC).

Ans 2:

Lakshya Garg from DMI, Meerut
Class : Class 6
In the factories, Electromagnet is used to remove scrap iron from the waste. Electromagnet is fitted to a crane. When the operator switches it on by the electricity scrap iron is attracted towards the Electromagnet.

Ans 3:

Abhay Tyagi from Billabong High International School, Noida
Class : Class 10
Thanks but that wasnt what i asked. How does it work??!!

Ans 4:

SUBODH KUMAR from Delhi Public School, Bokaro
Class : Class 6
Basically in physics a magnet electrically charged posses a energy form called electromagnetic energy. This one posses a hole and a particle when made. Obviously particle will go in the hole and this is why electricity is defined as flow of electrons. Electromagnet is a temporally charged one used in MRI's, robots, etc.

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ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Subject :NSO    Class : Class 8

Ans 1:

Mayank Patel from Maharaja Agarsen Public School , Ghaziabad
Class : Class 8
the nucleus which have it nucler membrane is called eukaryotic

Ans 2:

Pratek Kashyap from St. Anthony's Secondary School, Faridabad
Class : Class 8
A cell having a proper nuclear membrane and a well defined and clearly visible nucleus is called an eukaryotic cell.

Ans 3:

swayam agrawal from Udgam school for children, Ahmedabad
Class : Class 8
An eukaryotic cell is a cell which is properly developed and well developed nucleus.It has a membrane around it called the nuclear membrane which separates it from the cytoplasm of the cell.The DNA is present in the nucleus.In case of prokaryotic cell there is scattered nuclear region called nucleoid region lacking a nuclear membrane.

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Lakshya Garg from DMI, Meerut
Subject :NSO    Class : Class 6

Ans 1:

Rohan from The Shri Ram School, New Delhi
Class : Class 6
because the earth is an upside down magnet the south pole is up and north pole is down.

Ans 2:

YAGYASHA RASTOGI from PRESIDIUM INDIRAPURAM, Ghaziabad
Class : Class 7
As the north pole of the earth's magnet is the earth's geographical south pole this is why a compass always show the correct direction

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MITHILESH MANOHAR MADKE from YAVATMAL PUBLIC SCHOOL YAVATMAL, Yavatmal
Subject :NSO    Class : Class 5

Ans 1:

Joshika from Bombay Scottish School, Mumbai
Class : Class 7
C

Ans 2:

Sobia khan from Sardar Patel Vidyalaya, New Delhi
Class : Class 7
ans is 'c' = predation by carnivores

Ans 3:

Soundharya from ISWK, Muscat
Class : Class 8
a (supply of food)

Ans 4:

Daksh Rajesh Lolienkar from Doha Modern Indian School, Doah Qatar
Class : Class 5
the answer is c predatation by carnivores

Ans 5:

Ashmita Choudhury from Delhi Public School Noida, Noida
Class : Class 8
Predation of carnivores

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Pramit Bhattacharjee from Billabong High International School, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Sobia khan from Sardar Patel Vidyalaya, New Delhi
Class : Class 7
We can remove soluble impurities from water by evaporation and decantation.

Ans 2:

Soundharya from ISWK, Muscat
Class : Class 8
We can remove soluble impurities of water by sedimentation and decantation.

Ans 3:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
by evaporation and distillation

Ans 4:

Abhideep Jain from Delhi Public School, Amethi
Class : Class 7
By boiling it

Ans 5:

MITHILESH MANOHAR MADKE from YAVATMAL PUBLIC SCHOOL YAVATMAL, Yavatmal
Class : Class 5
yes,we can removesoluable impurites from water

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