National Science Olympiad Forum By SOF Olympiad Trainer - Page 838
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Amitesh from Delhi Public School Greater Noida, Noida
Subject :NSO    Class : Class 5

Ans 1:

UVAIS ZUFAR from DON BOSCO SCHOOL OF EXCELLENCE, Chennai
Class : Class 8
The American astronomer Edwin Hubble made the observations in 1925 and was the first to prove that the universe is expanding. He proved that there is a direct relationship between the speeds of distant galaxies and their distances from Earth. This is now known as Hubble's Law.

Ans 2:

Anshuman pathak from DPS NOIDA, Noida
Class : Class 5
Humble law

Post Your Answer

PUSHKAR from DAV PUBLIC SCHOOL, Gaya
Subject :NSO    Class : Class 3

Ans 1:

Anish Chawla from Cambridge Co-ed School, Jalandhar
Class : Class 3
Rhopalocera or Lepidoptera

Post Your Answer

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

Ans 1:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
Uranus

Ans 2:

Pranati Choudhury from Saint Joseph School, Kendrapara
Class : Class 7
Jupiter has 3 rings. Uranus has 13 rings. Neptune has 5 rings

Ans 3:

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

Ans 4:

Rishit kunwar from Dps mathura road, New Delhi
Class : Class 4
Uranus

Ans 5:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
Jupiter has 3 Rings, Uranus has 13 Rings, Neptune has 6 Rings & Saturn has 12 Rings.

Ans 6:

Namratha from JGRVK, Bengaluru
Class : Class 5
uranus

Post Your Answer

Dristi Sharma from St. Agnes High School, Kharagpur
Subject :NSO    Class : Class 10

Post Your Answer

ANNWESHA PAITH from BHARATIYA VIDYA BHAVAN'S R.K.SARDA VIDYA MANDIR, RAIPUR, Raipur
Subject :NSO    Class : Class 7

Ans 1:

gaurang gupta from mount litra zee school, uttar pradesh
Class : Class 8
it reach stomach because of Peristalsis movement

Ans 2:

Manan Sharma from Naini Valley School, Kathgodam
Class : Class 7
peristaltic movement

Post Your Answer

Wyesvatha.J from Geethaanjali All India Senior Secondary School, Erode
Subject :NSO    Class : Class 9

Ans 1:

Nimesh from Dhanbad public school Hirak Branch, Dhanbad
Class : Class 10
(a)livestocks,algae

Ans 2:

naman.namanjhavar@gmail.com from ST.PAUL'S SCHOOL, Gwalior
Class : Class 10
neem leaves

Post Your Answer

gaurang gupta from mount litra zee school, uttar pradesh
Subject :NSO    Class : Class 7

Ans 1:

Manan Sharma from Naini Valley School, Kathgodam
Class : Class 7
Convection is the transfer of heat through liquids or gases. Example: When cold air enters your home, it mixes with warm air. Heat energy is transferred to the cooler air, and the overall temperature of the room is lowered. Result: More energy is required to replace the heat transferred to the cooler air.

Ans 2:

Gyanepsaa from HUS International, Chennai
Class : Class 10
Metals that conduct heat allow free electrons to roam around, which vibrate and conduct energy, while heat insulators do the opposite.

Ans 3:

ACHYUT SINGH from DELHI PUBLIC SCHOOL MANDLA ROAD , Jabalpur
Class : Class 10
BECAUSE IT IS AN INSULATOR.....IT CANNOT CONDUCT ELECTRICITY.....

Post Your Answer

gaurang gupta from mount litra zee school, uttar pradesh
Subject :NSO    Class : Class 7

Ans 1:

ANNWESHA PAITH from BHARATIYA VIDYA BHAVAN'S R.K.SARDA VIDYA MANDIR, RAIPUR, Raipur
Class : Class 8
Wood doesn't even enter the liquid phase when it gets hot. It cannot even sublime.

Ans 2:

gaurang gupta from mount litra zee school, uttar pradesh
Class : Class 8

Post Your Answer

kushal from indian school sohar, sohar
Subject :NSO    Class : Class 6

Ans 1:

VANSH GUPTA from MDS SCHOOL , SEC -3, UDAIPUR, Udaipur
Class : Class 7
wood floats in water because it weighs less than amount of water

Ans 2:

S.Mukunthan from D.A.V.Public School, Chennai
Class : Class 6
Specific gravity/density

Ans 3:

apparna from chinmaya vidyalaya, B.S.City
Class : Class 6
its density

Ans 4:

S.V.Koundinya from Sri Chaitanya School, Hyderabad
Class : Class 7
Wood floats in water as its density is less than the density of water

Ans 5:

Lakshya Garg from DMI, Meerut
Class : Class 6
density of wood is less than water.

Post Your Answer

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

Ans 1:

Anidroid ,Aniruddha from Modern DPS, Faridabad
Class : Class 8
I don't think it does

Ans 2:

RiptideMel from Modern Vidya Niketan Senior Secondary School Sec 17, Faridabad
Class : Class 10
nO, IT GOES UNDER pure beta decay without any gamma radiation

Post Your Answer