National Science Olympiad Forum By SOF Olympiad Trainer - Page 368
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Shreejal moharana from DPS Greater Faridabad, Faridabad
Subject :NSO    Class : Class 3

Ans 1:

Abhigna Bharadwaj from Sri Kumarans Public School, Bangalore
Class : Class 4

Ans 2:

SIDDHARTH SOMANI from Vibgyor High, Mumbai
Class : Class 5

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Apoorva Gaurav from DAV, Muzaffarpur
Subject :NSO    Class : Class 4

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Apoorva Gaurav from DAV, Muzaffarpur
Subject :NSO    Class : Class 4

Ans 1:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
The answer is option A

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7

Ans 2:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10
answer is B

Ans 3:

Ahaan Pathak from Treamis World School, Bangalore
Class : Class 8
Answer is B because the formation of dew takes place through condensation.In this image, 3 refers to condensation.

Ans 4:

ADWIKA from DAV, FARIDABAD
Class : Class 10

Ans 5:

VAMSIKRISHNA KADALI from BVM GLOBAL , CHENNAI
Class : Class 7
option b- 3

Ans 6:

Ahaan Pathak from Treamis World School, Bangalore
Class : Class 8
Answer is B because the formation of dew takes place through condensation.In this image, 3 refers to condensation.

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Anoop Haridas from dpsmis doha, doha
Subject :NSO    Class : Class 6

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Anoop Haridas from dpsmis doha, doha
Subject :NSO    Class : Class 6

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Rishita Verma from Suncity School, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
C

Ans 2:

Advaith from Manipal School, Mangalore
Class : Class 5
c

Ans 3:

Avani from NPS International singapore, singapore
Class : Class 6
C option or c alphabet in technology ?

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R Sanjay from Narayana Group School Puzhal, CHENNAI
Subject :NSO    Class : Class 7

Ans 1:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
stupid

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TANIPARTHI CHAKRADHAR REDDY from AKSHARA INTERNATIONAL SCHOOL, HYDERABAD
Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1: Many cut fruits, when kept in open turn brown.
Statement 2: Browning of fruits is due to a chemical reaction.

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 and statement 2 is false.
D Both statements 1 and 2 are false.


Ans 1:

Ahaan Pathak from Treamis World School, Bangalore
Class : Class 8
Answer is A

Ans 2:

Ivjot Singh Hanspal from Allen Career Institute, Surat
Class : Class 7
Option C is correct

Ans 3:

VAMSIKRISHNA KADALI from BVM GLOBAL , CHENNAI
Class : Class 7
option a is the correct answer

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Rushika gupta from apeejay school, Faridabad
Subject :NSO    Class : Class 5

A ship is made of iron but still it floats in water. This is because of its shape. A ship is hollow in the middle. When it is in water, the entire volume of the ship, including the hollow portion displaces water to make space for itself. The volume of water displaced is much more than the volume of iron in the ship. Therefore, the ship floats in water.
Which of these rules can be deduced from the above given passage?

A If the upthrust is more than the weight, the body sinks in water.
B If the weight is more than the upthrust, the body floats in water.
C If the upthrust is less than the weight, the body floats in water.
D If the weight is more than the upthrust, the body sinks in water.

Ans 1:

Ayush Banerjee from DAV Pune, Pune
Class : Class 3
Refer Archimedes principle.

Ans 2:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 8
Archimedes principle

Ans 3:

Shaurya Veer from Blooming Dales International School, Sri Ganganagar
Class : Class 9
that's true this is based on Archimedes principle:Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces. Archimedes' principle is a law of physics fundamental to fluid mechanics

Ans 4:

Kevin Frederick S from Stanes School - ICSE, Coimbatore
Class : Class 5
What is the meaning of upthrust and Archimedes' principle

Ans 5:

Ayush Banerjee from DAV Pune, Pune
Class : Class 3
Refer Archimedes principle.

Ans 6:

KRITHYA GUPTA from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 7

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