National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 10

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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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Subject :NSO    Class : Class 7

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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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Subject :NSO    Class : Class 7

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Class : Class 9
NaOh

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Class : Class 8
NaOH

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Class : Class 8
The molecular formula for sodium hydroxide is NaOH

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Class : Class 7
NaOh

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Class : Class 8
NaOH

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Class : Class 8
NaOH

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Class : Class 7
NAOH is the answer.

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Class : Class 10
NaOH

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Subject :NSO    Class : Class 4

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Class : Class 7
The full form of IAU is International Association of Universities

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

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Subject :NSO    Class : Class 7

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Class : Class 8
a relationship in which two organism live together and take benefit of each other

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Class : Class 8
Symbiotic relationship is the process where organism help each other.They cannot live without each other

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Class : Class 7
A relationship in which two plants help each other to survive.

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Subject :NSO    Class : Class 5

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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.

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Class : Class 5
Tigers are becoming extinct due to poaching and disturbing their natural habitat

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Class : Class 5
Because they are hunted by hunters for food and other purposes

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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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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.

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Subject :NSO    Class : Class 5

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Class : Class 5
Butterflies suck nectar using their tube like mouth.

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Class : Class 8
Butterflies have the taste sensor on their feet.Thus they suck nectar through their feet.

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Class : Class 6
butterflies suck nectar with the help of proboscis

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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.

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Subject :NSO    Class : Class 5

Ans 1:

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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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.

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Subject :NSO    Class : Class 5

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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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Class : Class 6
early man are called nomads i.e move from one place to another.

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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.

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Class : Class 5
People who do not have houses, they roam around on place and another.

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Class : Class 8
Nomads are people who live in hilly and mountain regions.

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Subject :NSO    Class : Class 8

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Class : Class 8
iron or steel

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Class : Class 9
in diamond

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Class : Class 9
Aluminium i.e. 6420m/s

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Class : Class 8
STEEL

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Class : Class 8
Aluminium

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Class : Class 8
in the hardest metal Chromium

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Class : Class 9
Steel is an alloy....and he asked metal. I guess the answer is Aluminium.

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