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RISHIT GOEL from Ryan International School , Gurgaon
Subject :NSO    Class : Class 5

Monty fully filled a glass bottle with water, put a stopper on it and placed it upright in the freezer overnight. When he looked at it in the morning, the stopper was out of the bottle and a column of ice had emerged through the opening of the bottle.
Which one of the following is the best explanation for what Monty had observed?

A The bottle had contracted when it was put in the freezer and the water could no longer fit into it.
B Extra water condensed from the air in the freezer and then froze to form the column of ice.
C The bottle and stopper had contracted, allowing the water to pour out and form the ice column.
D The volume of water had increased when the water froze, forcing the stopper out of the bottle and forming the column of ice.


Ans 1:

Brinda Chakraverty from DPS Noida, Noida
Class : Class 5
Very tricky question. Good job

Ans 2:

Aadyant Gupta from Lotus Valley International School, NOIDA
Class : Class 9

Ans 3:

Pratham Dave from GNS, Bangalore
Class : Class 7
D is the answer to this question

Ans 4:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8

Ans 5:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 5
nice question I guess. Guys I afraid from Saipriya. Guys don't listen to her she will fail and she not the teacher.she is evilGuys Guys help me I am scard from Saipriya.

Ans 6:

Monika Bhattacharya from the lexicon international school kalyaninagar, pune
Class : Class 5
Quite tricky quesstion.

Ans 7:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 9

Ans 8:

Aadyant Gupta from Lotus Valley International School, NOIDA
Class : Class 9
Wrong option.a

Ans 9:

Saipriya from Sankara, Chennai
Class : Class 8
Aadyant gupta are u a teacher shut up your mouth and dont talk after the teacher , dont do such rubbish things u have to read science super arnav raj sharma mrigank roy shut up are u the teacher two mads why are u reading science u fool read and understand the solluion

Ans 10:

NOYONIKA BOSE SENGUPTA from Jamnabai Narsee School, Mumbai
Class : Class 6

Ans 11:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
5/5!

Ans 12:

Ayush Yadav from Salwan Public School, Gurgaon
Class : Class 6

Ans 13:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Marigank Roy water increases its volume on cooling .

Ans 14:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 9
Option is wrong! Water will contract on freezing

Ans 15:

sujata patel from Podar International, Pune
Class : Class 6
NOT ABLE TO UNDERSTAND THE SENTENCES

Ans 16:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5
ITS CORRECT D

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