National Science Olympiad Forum By SOF Olympiad Trainer

arin chaitanya from the shri ram school, New Delhi

Subject :NSO Class : Class 6

Observe the given figure and answer the following questions.
The bulb will glow when a _____ is placed in between the probes.

A Crayon
B Comb
C Key
D Piece of stone

a key

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Ans 1:

arin chaitanya from the shri ram school, New Delhi

Class : Class 8

* let not left

Ans 2:

arin chaitanya from the shri ram school, New Delhi

Class : Class 8

key is a conductor of electricity so if you place it between the probes the key will left the electricity pass through it. also the other options are all names of insulators they will not make the bulb glow hence the answer is C

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vamsika from Yuva Bharathi Public school, coimbatore south

Subject :NSO Class : Class 2

There is a certain relationship between pair of figures on either side of ::. Identify the relationship on left pair and find the missing figure.

A
B
C
D

the answer is A.

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Ans 1:

Vanisha singh gautam from mlzs,rudrapur,uttrakhand, Rudrapur

Class : Class 3

YOU ARE SAYING 1 LESS THAN 6 BUT YOU ARE SAYING 3 HENCE I'M CORRECT YOU ARE WRONG

Ans 2:

Vanisha singh gautam from mlzs,rudrapur,uttrakhand, Rudrapur

Class : Class 3

YOU ARE WRONG

Ans 3:

prakshit Jakhar from turtle , Jaipur

Class : Class 3

answer is A no b ceck i

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Advika Singh from The Tribhuvan School, Patna

Subject :NSO Class : Class 8

Read the statements given below and choose the correct option.
Statement 1 : The lowest temperature at which a substance catches fire is called its ignition temperature.
Statement 2 : Kerosene oil does not catch fire at its own at room temperature.

A Statement 1 and statement 2 both are correct and statement 2 is correct explanation of statement 1.
BStatement 1 and statement 2 both are correct but statement 2 is not a correct explanation of statement 1.
CStatement 1 is correct but statement 2 is incorrect.
DBoth the statements are incorrect.

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Rudr Soni from Mount Carmel school, Palampur

Subject :NSO Class : Class 5

Identify 1, 3, 4 and 6 in the given pyramid and select the correct option.

A1- Fruits; 3- Grains; 4- Proteins; 6-Sweets and fats
B1- Grains; 3- Fruits; 4- Proteins; 6-Sweets and fats
C1- Proteins; 3- Fruits; 4- Grains; 6-Sweets and fats
D1- Fruits; 3- Proteins; 4- Fats; 6-Grains

Can you teach me

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Ans 1:

dishen from DePaul , gajuwaka

Class : Class 8

2

Ans 2:

Shresth Negi from D.P.S Ranipur, Haridwar, Uttarakhand, Haridwar

Class : Class 5

1-Grains; 3-Fruits; 4-Proteins; 6-Sweets & Fats

Ans 3:

Rudr Soni from Mount Carmel school, Palampur

Class : Class 5

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Akshaj Gupta from Neerja Modi School, Jaipur

Subject :NSO Class : Class 5

Identify solute, solvent and solution in coffee we drink.

	Solute	Solvent	Solution
A	Milk	Coffee powder	Coffee
B	Coffee	Coffee powder	Milk
C	Coffee powder	Milk	Coffee
D	Coffee powder	Coffee	Milk

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Ans 1:

UMA Subramanian from Global Indian International School, Singapore

Class : Class 7

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Aarya Ranjan from Chrysalis High Varthur, bangalore

Subject :NSO Class : Class 2

If""is called"","is called"and""is called",then______is used to wear in ears.

A
B
C
D

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Ans 1:

Shambhavi n Shreeram from North Point School, Vashi

Class : Class 3

option watch is not there in the options. here d is wrong

Ans 2:

Aarav Ashmit from The DN Wisdom Tree Global School, Bhubaneswar

Class : Class 3

same options ??

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S Malhotra from SFS , New Delhi

Subject :NSO Class : Class 3

Esha wanted to find if material X would allow water to pass through. She put the material over a container and poured some water onto it as shown in the given diagram. She found that no water was collected in the container. What material could X be?

A Cloth
B Paper
C Glass
D Cardboard

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S Malhotra from SFS , New Delhi

Subject :NSO Class : Class 3

Four objects P, Q, R and S of the same shape but different weights, are put into a tank of water. The given diagram shows what happens when they are in water.
Which of the following is the most likely weight of object R?

A 60 g
B 35 g
C 25 g
D 19 g

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Ans 1:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

FGVYURSUEIDHSTKVNUYCU9MVDRTBYBIUHNVHLIWEJhtc

Ans 2:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad

Class : Class 4

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Pramit Roy from Rabindra Bharthi Global School, Kolkata

Subject :NSO Class : Class 5

Refer to the given classification chart of rocks. Select the option that correctly matches the rocks (X, Y, Z) to its characteristic

A X Marble , Y Granite , Z Limestone
B X Sandstone , Y Marble , Z Slate
C X Granite , Y Quartzite , Z Limestone
D X Limestone , Y Gneiss , Z Slate