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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

Select the correct statement.

AExpansion gaps are deliberately left between the rails to allow for the contraction of the rails in hot weather.
BSolids, liquids and gases expand to the same extent if equal amount of heat is supplied.
COn cooling, solids contract the least while gases contract the most.
DNone of these


Ans 1:

Shreyasi Padihary from The Cambridge International School , Bangalore
Class : Class 7
Bro in option A it says CONTRACTION IN HOT WEATHER not EXPANSION IN HOT WEATHER. Read carefully

Ans 2:

Shreya Yegna Narayanan from psbb, chennai
Class : Class 6
Hey! They have given contract see properly!

Ans 3:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is. A . correct explanation is on the answer .metals expand on heating !

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