Question

Q1. Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you
have to go close.
Q2. A diver is able to cut through water in a swimming pool. Which property of matter does this
observation show?
Q3. What are the characteristics of the particles of matter?

Answer 1

What are the characteristics of the particles of matter?

All matter is composed of very small particles which can exist independently.

Particles of matter have spaces between them.

Particles of matter are continuously moving.

Particles of matter attract each other.

Answer 2

Particles of cold food possess less kinetic energy and are not able to reach several meters away. ... At higher temperatures, particles have high kinetic energy and move faster hence, due to this smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close.