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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 8

Ans 1:

Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Class : Class 8
'Mercury' is the smallest planet in the solar system.

Ans 2:

Mayank Patel from Maharaja Agarsen Public School , Ghaziabad
Class : Class 8
NO JUPITER,NO MARS,IT IS VENUS,OK

Ans 3:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Mars

Ans 4:

Ronit Deshmukhya from U.P. Public School, Suri
Class : Class 8
It is Venus.

Ans 5:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Venus

Ans 6:

binayak mohanta from st.paul's school,rourkela, Rourkela
Class : Class 8
venus

Ans 7:

Kvsm Sourish from GANGES VALLEY SCHOOL, Hyderabad
Class : Class 8
VENUS

Ans 8:

binayak mohanta from st.paul's school,rourkela, Rourkela
Class : Class 8
jupiter

Ans 9:

Anu Sharma from DPS Noida, Noida
Class : Class 2
JUPITER

Ans 10:

Sumit from Dhanbad public school Hirak Branch, Dhanbad
Class : Class 9
Mercury

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 8

Ans 1:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Light Emitting Diode

Ans 2:

Akhil B from Kennedy high the global school , Hyderabad
Class : Class 8
light emitting diode

Ans 3:

Anirudh from Kendriya Vidyalaya Kanjikode, Palakkad
Class : Class 8
L-Light E-Emitting D-Diode

Ans 4:

affaan from AL-FALAH INTERNATIONAL SCHOOL DPS JEDDAH, jeddah,saudi arabia
Class : Class 8
Light Emitting Diode...

Ans 5:

Mayank Patel from Maharaja Agarsen Public School , Ghaziabad
Class : Class 8
LIGHT EMITTING DIODE

Ans 6:

Avi from Delhi Public School Vadodara, Vadodara
Class : Class 9
it's vacuum because sound needs a medium to travel through and their is no medium in the vacuum

Ans 7:

Kvsm Sourish from GANGES VALLEY SCHOOL, Hyderabad
Class : Class 8
Light Emmisive Display/Light Emmiting Diode

Ans 8:

ashhad from sri chaitanya techno school, Bengaluru
Class : Class 8
light emmitting diode

Ans 9:

binayak mohanta from st.paul's school,rourkela, Rourkela
Class : Class 8
light emiting diode

Ans 10:

Sheetal from Dr. Pillai Global Academy, panvel
Class : Class 8
Light Emitting Diode

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Class : Class 7
Vaccum

Ans 2:

KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Class : Class 7
Hydrogen and Oxygen

Ans 3:

Ananya from Delhi Public School, Meerut
Class : Class 7
Sound travels 4times faster in water than in air. So, air travels fastest in liquids

Ans 4:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Water

Ans 5:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Vacuum

Ans 6:

Sambit Das from Calcutta Boys' School, Kolkata
Class : Class 7
Vacuum

Ans 7:

Aavanthika.S.R from St Thomas Residential school (STRS) trivandrum kerala, Trivandrum
Class : Class 7
Sound cannot travel through VACUUM 'cause there are no air particles to transfer the vibrations. it can travel through SOLIDS,LIQUIDS and GASES. It travels the fastest in SOLIDS

Ans 8:

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

Ans 9:

aryan from nand vidya niketan,
Class : Class 7
Vacuum

Ans 10:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
vacuum

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Manan Sharma from Naini Valley School, Kathgodam
Class : Class 7
A light-year is a unit of distance. It is the distance that light can travel in one year.

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
The distance travelled by light in one year

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Soham chakravorty from Delhi public school, Bengaluru
Class : Class 7
they are not stored in metallic containers as metallic containers react with acids

Ans 2:

KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Class : Class 7
To avoid the chemical reaction with metal

Ans 3:

Manan Sharma from Naini Valley School, Kathgodam
Class : Class 7
Because most acids will corrode the metal container

Ans 4:

aryan from nand vidya niketan,
Class : Class 7
Because acids corrode the surface of the metals but not of glass

Ans 5:

gaurang gupta from mount litra zee school, uttar pradesh
Class : Class 8
acid Croce metal only one acid is there which stored in plastic it is hydrofluoric acid

Ans 6:

Anu Sharma from DPS Noida, Noida
Class : Class 2
because metals reacts with the acid and stored in them

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khushboo from DPS, New Delhi
Subject :NSO    Class : Class 3

Ans 1:

Shagun from MAXFORT DWARKA, New Delhi
Class : Class 5
touch hearing and looking.

Ans 2:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Looking

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khushboo from DPS, New Delhi
Subject :NSO    Class : Class 6

Ans 1:

S.Mukunthan from D.A.V.Public School, Chennai
Class : Class 6
It protects us from the harmful rays of uv light from the sun

Ans 2:

Shantaneel Sarkar from Delhi Public School, Nagpur
Class : Class 6
24 hours

Ans 3:

Rishit Ojha from National Hill View Public School, Bengaluru
Class : Class 9
24 hours

Ans 4:

Aarya M Shah from Navrachana Vidyani Vidyalaya, Vadodara
Class : Class 4
8

Ans 5:

Vibha from DAV Public School New Panvel, Mumbai
Class : Class 6
8

Ans 6:

Aarya M Shah from Navrachana Vidyani Vidyalaya, Vadodara
Class : Class 4
Sunglasses protect us from the sun's rays.

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