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Subject :NSO    Class : Class 10

Ans 1:

Mohammed Najl from Credence high school Dubai, Dubai
Class : Class 5
THERE ARE TINY TINY 0.00000000001 SOMETHING METRES OF STRINGS ITS 1D AND MAKES UP ALL OF THE THINGS IN THE UNIVERSE I KNOW AND IM IN GRADE 2 I REALLY KNOW THIS WHEN IM IN GRADE 2

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Ananya from Delhi Public School, Meerut
Subject :NSO    Class : Class 7

Ans 1:

Sanchay from BIS Dwarka, Dwarka
Class : Class 8
The theory which states that background radiation caused after the Big Bang explosion was the cause of formation of stars is called the cosmos theory.

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Ananya from Delhi Public School, Meerut
Subject :NSO    Class : Class 7

Ans 1:

Anisha Mishra from Blessed Sacrament High School, Puri
Class : Class 10
NaOH

Ans 2:

Swetanshu Sekhar Pati from Amity International School, Noida
Class : Class 9
NaOh

Ans 3:

Abhishek from New Vision the olympiad school, KHAMMAM
Class : Class 7
NAOH is the answer.

Ans 4:

nasr2607@gmail.com from Aurum the Global School, Haldwani
Class : Class 8
NaOH

Ans 5:

Manas Malla from Visakha Valley School, Visakhapatnam
Class : Class 8
NaOH

Ans 6:

Tejas Shende from Kendriya Vidyalaya, IIT Campus, Powai, Mumbai, Mumbai
Class : Class 8
NaOH

Ans 7:

Manan Sharma from Naini Valley School, Kathgodam
Class : Class 7
NaOh

Ans 8:

SHAIKH Adeeb from Pragati vidyalaya, BEED
Class : Class 8
The molecular formula for sodium hydroxide is NaOH

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Sudip from DPS Gurgaon, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Pranati Choudhury from Saint Joseph School, Kendrapara
Class : Class 7
The full form of IAU is International Association of Universities

Ans 2:

Sudip from DPS Gurgaon, New Delhi
Class : Class 4
The full of IAU is International Astronomical Union.

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Roma singh from RBK Global School, Maharashtra
Subject :NSO    Class : Class 7

Ans 1:

Manas Malla from Visakha Valley School, Visakhapatnam
Class : Class 8
Symbiotic relationship is the process where organism help each other.They cannot live without each other

Ans 2:

Ananya from Delhi Public School, Meerut
Class : Class 7
A relationship in which two plants help each other to survive.

Ans 3:

gaurang gupta from mount litra zee school, uttar pradesh
Class : Class 8
a relationship in which two organism live together and take benefit of each other

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UVAIS ZUFAR from DON BOSCO SCHOOL OF EXCELLENCE, Chennai
Subject :NSO    Class : Class 5

Ans 1:

Daksh Rajesh Lolienkar from Doha Modern Indian School, Doah Qatar
Class : Class 5
Tigers are becoming extinct due to poaching and disturbing their natural habitat

Ans 2:

monishajv2006@gmail.com from manan vidya, Ranchi
Class : Class 5
Because they are hunted by hunters for food and other purposes

Ans 3:

Amitesh from Delhi Public School Greater Noida, Noida
Class : Class 7
Tigers are becoming extinct as poachers are hunting them and when we cut down forests their natural habitat are also becoming less.They need a vast area to hunt.

Ans 4:

Soundharya from ISWK, Muscat
Class : Class 8
We humans destroy the habitat of tiger and poachers hunt them for their skin,nail and teeth.This is the reason for tiger becoming extinct.

Ans 5:

Amitesh from Delhi Public School Greater Noida, Noida
Class : Class 7
Tigers are becoming extinct due to poaching and we are disturbing their natural habitat.Tigers are also a very endangered species of animal.They are commonly found in India,China and Bhutan.

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UVAIS ZUFAR from DON BOSCO SCHOOL OF EXCELLENCE, Chennai
Subject :NSO    Class : Class 5

Ans 1:

praveen prabhu from private international english school, abudhabi
Class : Class 5
It is called a proboscis and is a long flexible tube like straw that is the butterfly's tongue. The butterfly uses the proboscis to drink nectar and when it is not in use it curls back into a spiral.

Ans 2:

Soundharya from ISWK, Muscat
Class : Class 8
Butterflies have the taste sensor on their feet.Thus they suck nectar through their feet.

Ans 3:

monishajv2006@gmail.com from manan vidya, Ranchi
Class : Class 5
Butterflies suck nectar using their tube like mouth.

Ans 4:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
butterflies suck nectar with the help of proboscis

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UVAIS ZUFAR from DON BOSCO SCHOOL OF EXCELLENCE, Chennai
Subject :NSO    Class : Class 5

Ans 1:

Jairaj Singh Basur from Vivek High School, Chandigarh
Class : Class 8
Echolocation is to use the echo( vibrations of sound bounced off by objects ) to locate certain items. Bats use echolocation to travel.

Ans 2:

ratankrmandal@yahoo.com from Vivekananda Mission School, Haldia
Class : Class 7
Echolocation is the using of echo to locate object or find a prey.Animals like Bat sends vibrations that bounce off from the body of their prey.Then they with the help the vibrations they can locate food easily.

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UVAIS ZUFAR from DON BOSCO SCHOOL OF EXCELLENCE, Chennai
Subject :NSO    Class : Class 5

Ans 1:

Meowness from Why should I tell?, Wow
Class : Class 5
People who do not have houses, they roam around on place and another.

Ans 2:

Ananya from Vibgyor High, Bengaluru
Class : Class 6
early man are called nomads i.e move from one place to another.

Ans 3:

RITAJA MISHRA from DPS NORTH KOLKATA, Kolkata
Class : Class 8
When early human beings noticed that they are not getting sufficient amount of food to survive, they started moving from one place to another in search of food and shelter and they were called nomads.

Ans 4:

Soundharya from ISWK, Muscat
Class : Class 8
Nomads are people who live in hilly and mountain regions.

Ans 5:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
NOMADS ARE THOSE PEOPLE WHO MOVE FROM ONE PLACE TO ANOTHER AND DO NOT HAVE A PERMANENT HOUSE

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Mohit from Carmel High school Gadchiroli , Gadchiroli
Subject :NSO    Class : Class 8

Ans 1:

Anidroid ,Aniruddha from Modern DPS, Faridabad
Class : Class 8
Aluminium

Ans 2:

Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Class : Class 9
Steel is an alloy....and he asked metal. I guess the answer is Aluminium.

Ans 3:

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

Ans 4:

swayam agrawal from Udgam school for children, Ahmedabad
Class : Class 8
iron or steel

Ans 5:

Avi from Delhi Public School Vadodara, Vadodara
Class : Class 9
in diamond

Ans 6:

Sumit from Dhanbad public school Hirak Branch, Dhanbad
Class : Class 9
Aluminium i.e. 6420m/s

Ans 7:

Nirdesh Prajapati from K V No. 3, Jaipur
Class : Class 8
in the hardest metal Chromium

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