MEDIUM
7th ICSE
IMPORTANT
Earn 100

Draw a labelled diagram of a thermos flask. Describe its working.
 

Important Questions on Heat

EASY
7th ICSE
IMPORTANT

Choose the correct option.

Which of the following is not an effect of heat? 

EASY
7th ICSE
IMPORTANT
Which of the following is a bad conductor of heat? 
EASY
7th ICSE
IMPORTANT
Which method of heat transfer does not need a medium? 
MEDIUM
7th ICSE
IMPORTANT
Conduction takes place in
EASY
7th ICSE
IMPORTANT
Convection occurs in 
MEDIUM
7th ICSE
IMPORTANT
Write few applications of conductors and insulators.
 
MEDIUM
7th ICSE
IMPORTANT
Explain conduction using molecular theory.
EASY
7th ICSE
IMPORTANT
Why is Earth hotter than Uranus?