Question

Give reasons for the following observations-
The smell of hot sizzling food reaches you several meters away,but to get the smell from cold food you have to go close.

Answer 1

The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close because the kinetic energy of the particles of matter increases with the increase in temperature

Answer 2

Particles in the air, if fueled with higher temperatures, acquire high kinetic energy which aids them to move fast over a stretch. Hence the smell of hot sizzling food reaches a person even at a distance of several meters.