National Science Olympiad Forum By SOF Olympiad Trainer - Page 114
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Parag Talsonia from DAV Public School, Jamshedpur
Subject :NSO    Class : Class 4

Ans 1:

ISHAAN PRIYADARSHI from G D Goenka School, New Delhi
Class : Class 4
MARS

Ans 2:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
d

Ans 3:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
Sunflower and marigold are naturally yellow in colour. Both of them are used for making yellow dye. Thus, the worker should choose sunflower and marigold flowers for making yellow dye. Hence, the correct answer is D.

Ans 4:

mitra from dav model school, Durgapur
Class : Class 5
D: sunflower and marigold

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Kilogram

Ans 2:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
S.I unit of mass is kilogram and S.I unit of weight is newton

Ans 3:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
Kilogram

Ans 4:

Sayan from DPS, Gurgaon
Class : Class 6
Kilogram

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Namratha from JGRVK, Bengaluru
Class : Class 5
temparature

Ans 2:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
There are two types of thermometer - Celcius or centigrate thermometer and ferenrite thermometer. The ferenrite is usually used to measure our core body temperature

Ans 3:

Freddin.J from don bosco school of excellence,chennai, Chennai
Class : Class 4
temparature

Ans 4:

Sarthak Kumar from Delhi Public School, INDORE
Class : Class 7
TEMPERATURE IT HAS 2 TYPES = ROOM TEMPERATURE MEASURES THE ROOM TEMPERATURE BODY TEMPERATURE MEASURES THE BODY TEMPERATURE

Ans 5:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Temperature

Ans 6:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
Temperature

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
b . We use friction in three types - Static friction , Sliding friction , Rolling friction. Here we are using sliding friction .

Ans 2:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
B. Frictional Force

Ans 3:

KAZA LOHITAKSH from Srimathi Sundaravalli Memorial school , Chennai
Class : Class 4
B.Frictional Force

Ans 4:

Shriyans from DPS Raipur, Raipur
Class : Class 7
Mars

Ans 5:

Shriyans from DPS Raipur, Raipur
Class : Class 7
Mars

Ans 6:

Shriyans from DPS Raipur, Raipur
Class : Class 7
B] Frictional force

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
A Hot , Summer

Ans 2:

KAZA LOHITAKSH from Srimathi Sundaravalli Memorial school , Chennai
Class : Class 4
A.Hot,Summer

Ans 3:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
a. Because woollen clothes trap air and make us feel warm.

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
2. Because dehydration means to take water from it .So it will be drying.

Ans 2:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
2. Drying

Ans 3:

KAZA LOHITAKSH from Srimathi Sundaravalli Memorial school , Chennai
Class : Class 4
2.Drying

Ans 4:

meenakshi from St Columba School, delhi
Class : Class 7
calcium

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
c. premolar crushes the food

Ans 2:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
C. Premolar--Knife

Ans 3:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
D Molar -- Grinder

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

Dibyanshu Dibyajyoti Das from TATA DAV Public School, Joda,Keonjhar
Class : Class 5
D . All of These

Ans 2:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
D All of These

Ans 3:

Dibyanshu Dibyajyoti Das from TATA DAV Public School, Joda,Keonjhar
Class : Class 5
D

Ans 4:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
d. they all live in mud house,in hexagonal shape like house , live everywhere respectively

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khushboo from DPS, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
by covering and protecting our eyes from the UV rays of the sun

Ans 2:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
24 hrs

Ans 3:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7

Ans 4:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
by covering and protecting our eyes from the UV rays of the sun

Ans 5:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
1 Day/ 24 hrs

Ans 6:

Freddin.J from don bosco school of excellence,chennai, Chennai
Class : Class 4
8

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