HARD
7th CBSE
IMPORTANT
Earn 100

Explain with a diagram how hot remains hot and cold objects remain cold in a thermos flask object.

Important Questions on Heat and Temperature

MEDIUM
7th CBSE
IMPORTANT
A silver ball at 60°C is dropped in a mug containing water at 60°C. The heat will
EASY
7th CBSE
IMPORTANT
Name two insulators used in the kitchen.
EASY
7th CBSE
IMPORTANT
What is the reliable measure that tells the hotness or coldness of an object called?
EASY
7th CBSE
IMPORTANT
The process in which heat transfers through liquid.
EASY
7th CBSE
IMPORTANT
Name the planets that remain cold throughout.
EASY
7th CBSE
IMPORTANT
Can we use a clinical thermometer to measure the temperature of boiling water?
MEDIUM
7th CBSE
IMPORTANT
Why is it that metal utensils have Bakelite or wooden handles?
EASY
7th CBSE
IMPORTANT
Why do light-coloured clothes sell more in summers?