EASY
Earn 100

Why does a thermometer rise when placed in hot water?
(a)Mercury expands
(b)Mercury contracts
(c)Mercury evaporates
(d)Mercury solidifies

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Important Questions on Heat in Everyday Life

HARD


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Give one word for the following.
S.I. unit of heat.

MEDIUM

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Choose the right word from the following:
(heat, solute, condensation, melting, freezing, solution, sedimentation, soluble)
When we _____ the matter, the molecules present in it start moving faster.

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Give one word for the following:
It is a form of energy which causes sensation of hotness and coldness.



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EASY
Give one word for the following.
One effect of heat.

