National Science Olympiad Forum By SOF Olympiad Trainer - Page 301

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Manvi Mundepi from Montfort School Roorkee, Roorkee

Subject :NSO Class : Class 8

In the diagram, the coin is just out of sight. If water is poured into the metal can, the coin will

A Become visible
B Appear smaller
C Not be visible
D Float to the surface.

but metal coin will stay as it is, isn't?

Ans 1:

arnav raj sharma from gulibulium school, new york

Class : Class 8

the ray moves towards the normal so the ray will go away from the coin

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S from , JAJAPUR

Subject :NSO Class : Class 3

Select the correct mirror image of Figure (X).

A
B
C
D

Ans 1:

Avneet Kaur from Satpaul Mittal School , Ludhiana

Class : Class 3

Ans 2:

Yatindra G from SBOA, Chennai

Class : Class 4

another puzzlewhat is pentagon plus pentagon plus hexagon =???(solution: count the sides and then add)

Ans 3:

Abhiraj from St. Xavier's School, Burdwan

Class : Class 7

Ans 4:

Rivan Chheda from Podar international CAIE, Mumbai

Class : Class 3

Ans 5:

Hamsini from yagappa international school, Thanjavur

Class : Class 6

YATINDRA, ANSWER IS 16

Ans 6:

Rivan Chheda from Podar international CAIE, Mumbai

Class : Class 3

Ans 7:

Yatindra G from SBOA, Chennai

Class : Class 4

it's tricky but I found out luckily it's B

Ans 8:

Yatindra G from SBOA, Chennai

Class : Class 4

Post Your Answer

ISRAT PARWEEN from J N V BETTIAH, Patna

Subject :NSO Class : Class 1

Choose the missing shape in the given clock.

ACircle
BTriangle
CSquare
DRectangle

Ans 1:

Himanshu from Fortune high school, Pune

Class : Class 5

please tell your answer I am confused

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Simarjot from Fr. Agnel School, Vaishali, Ghaziabad

Subject :NSO Class : Class 9

Read the given statements and select the correct option.
Statement 1 : A body thrown vertically up with a velocity u reaches the maximum height h after T seconds. At a time 2T seconds its velocity becomes zero.
Statement 2 : A particle thrown vertically up with a velocity comes back to its initial position with same magnitude of velocity but in opposite direction.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.

How?

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Priyanka from Kendriya vidyalaya, Chennai

Subject :NSO Class : Class 5

Mihir had three types of strings X, Y and Z. He tested the strength of the strings by hanging weights on them. He increased the weights until the string broke. The maximum mass that each string can hold before breaking is shown in the given figure.

He then tried using the strings to hang different weights. Based on the test results, which of the following arrangements is possible?

A
B
C
D

View All Answers (11)

Ans 1:

Ishita Mishra from BGS, Bangalore

Class : Class 6

Ans 2:

Karthik Reddy Munnangi from Chirec International School, Hyderabad

Class : Class 9

Ans 3:

Priyanka Murugan from Chennai Public School, Chennai

Class : Class 6

can you tell the solution for this question

Ans 4:

Dhanush Prasanth from Noterdame Academy, Bangalore

Class : Class 4

Ans 5:

Arnav Raj Sharma from The gulibilium school, Gurgaon

Class : Class 9

(((((((((((((((((((((((((((((((((((((((((BBBBBBBBBBBBBBBBBBBBBBB))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))((((((((((((((((((((((((((((((((((((((BBBBBBBBBBBBBBBBBB))))))))))))))))))))))))))))))))))))))))

Ans 6:

Sinita Ray from Greenwood High international, Bangalore

Class : Class 5

solution please

Ans 7:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra

Class : Class 9

what is the solution ?_?

Ans 8:

Sargun Maini from The Khaitan School, NOIDA

Class : Class 6

why the solution is not given

Ans 9:

Ishaan from St Mary's icse school , Koparkhairne

Class : Class 5

whats the solution

Ans 10:

Trina from Ganges Valley School, Hyderabad

Class : Class 10

Ans 11:

Dhwani Rautela from PSBB Learning Leadership Academy, BANGALORE

Class : Class 9

Pls tell the solution

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Priyanshi Pritam from Vibgyor High, Bangalore

Subject :NSO Class : Class 3

Refer to the given diagram and table to answer the questions 31 and 32.Four thin sheets of materials W, X, Y and Z of similar sizes, were weighed individually before they were put into four beakers containing equal amounts of water. After 15 minutes, each sheet was weighed again. Their masses were recorded in the table.

Which material absorbs the most amount of water?

AW
BX
CY
DZ

srccycrvtouvtlnuybrwcecv7oybuoiyby check there you will find answer

View All Answers (2)

Ans 1:

Shruti from ,

Class : Class 1

ya d

Ans 2:

Abhiraj from St. Xavier's School, Burdwan

Class : Class 7

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Priyanshi Pritam from Vibgyor High, Bangalore

Subject :NSO Class : Class 3

Which of the following is the correct food pyramid?

A

B

C

DNone of these

simply

View All Answers (2)

Ans 1:

Abhiraj from St. Xavier's School, Burdwan

Class : Class 7

Ans 2:

Anagha from DPS BANGALORE NORTH, Bengaluru

Class : Class 3

hy7bnz

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ansh rai from delhi public school, Bhilai

Subject :NSO Class : Class 7

A body moves with uniform velocity. Which of the graphs shown here is a graph of velocity against time for this motion?

A
B
C
D

View All Answers (3)

Ans 1:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata

Class : Class 7

Ans 2:

Pranjal Khaitan from Jayshree Pariwal International School, Jaipur

Class : Class 7

The answer is B because the speed is constant

Ans 3:

shaurya aggarwal from scholars rosary senior secondary school, rohtak

Class : Class 9

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Priyanshi Pritam from Vibgyor High, Bangalore

Subject :NSO Class : Class 3

Refer to the given flow chart and answer the following questions.

Select the correct option regarding the given flow chart.

AAn omnivorous black bird that says ‘caw-caw’ can be placed at ‘d’
BA flightless bird found in desert can be placed at ‘g’.
CA black and white coloured bird that lives at poles can be placed at ‘f’.
DA bird that weaves a nest from grass can be placed at ‘e’.

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Ans 1:

Haarish from Amrita, Puducherry

Class : Class 5

Ans 2:

Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar

Class : Class 4

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Priyanshi Pritam from Vibgyor High, Bangalore

Subject :NSO Class : Class 3

Refer to the given flow chart and answer the following questions.

Select the correct option to fill the empty spaces d, e, f and g in the given flow chart.

	d	e	f	g
A	Ostrich	Penguin	Lizard	Pigeon
B	Pigeon	Ostrich	Penguin	Lizard
C	Pigeon	Penguin	Ostrich	Lizard
D	Penguin	Pigeon	Lizard	Ostrich

View All Answers (2)

Ans 1:

Priyanshi Pritam from Vibgyor High, Bangalore

Class : Class 4

Ans 2:

Priyanshi Pritam from Vibgyor High, Bangalore

Class : Class 4

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