NA
Amit Rastogi Science Solutions for Exercise - NA
Simple step-by-step solutions to NA questions of Heat from ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from NA with Hints & Solutions
Give one word for the following:
It is a form of energy which causes sensation of hotness and coldness.
Give one word for the following.
S.I. unit of heat.
Give one word for the following.
One effect of heat.
What happens when a gas is heated?
To keep her soup warm Paheli wrapped the container in which it was kept with a woollen cloth. Can she apply the same method to keep a glass of cold drink to cool? Give reason for your answer.
Why do electric wires sag in summers?
Why is it advised not to fill air into cycle tyres very tightly during summer?
Heat is a type of _____.
