National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

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Class : Class 5
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.

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Class : Class 5
Humble law

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Subject :NSO    Class : Class 3

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Class : Class 3
Rhopalocera or Lepidoptera

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Subject :NSO    Class : Class 4

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Class : Class 4
Uranus

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Class : Class 5
uranus

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Class : Class 7
Uranus

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Class : Class 7
Jupiter has 3 Rings, Uranus has 13 Rings, Neptune has 6 Rings & Saturn has 12 Rings.

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Class : Class 7
Jupiter has 3 rings. Uranus has 13 rings. Neptune has 5 rings

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Class : Class 4
The full form of IAU is International Astronomical Union.

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Subject :NSO    Class : Class 10

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Class : Class 10
regular

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Subject :NSO    Class : Class 7

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Class : Class 8
it reach stomach because of Peristalsis movement

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Class : Class 7
peristaltic movement

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Subject :NSO    Class : Class 9

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Class : Class 10
(a)livestocks,algae

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Class : Class 10
neem leaves

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Subject :NSO    Class : Class 7

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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.

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Class : Class 4
BECAUSE IT IS AN INSULATOR.....IT CANNOT CONDUCT ELECTRICITY.....

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Class : Class 9
Metals that conduct heat allow free electrons to roam around, which vibrate and conduct energy, while heat insulators do the opposite.

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Subject :NSO    Class : Class 7

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Class : Class 8

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Class : Class 8
Wood doesn't even enter the liquid phase when it gets hot. It cannot even sublime.

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Subject :NSO    Class : Class 6

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Class : Class 6
its density

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Class : Class 7
Wood floats in water as its density is less than the density of water

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Class : Class 6
density of wood is less than water.

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Class : Class 7
wood floats in water because it weighs less than amount of water

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Class : Class 6
Specific gravity/density

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
nO, IT GOES UNDER pure beta decay without any gamma radiation

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Class : Class 8
I don't think it does

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