Q1. Which of the following are
matter?
Chair, air, love, smell, hate,
almonds, thought, cold, lemon
water, smell of perfume.
Q2. 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.
Q3. A diver is able to cut through
water in a swimming pool. Which
property of matter does this
observation show?
Q4. What are the characteristics of
the particles of matter?
Answers
Answered by
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Ans 2.. The smell of hot sizzling food reaches to you several meters away but to take smell from cold food you have to go close because particles of hot sizzling food possess large kinetic energy and diffuse in air rapidly and reach several meters away whereas particles of cold food possess less kinetic energy and are not able to reach several meters away.
Ans 4 .. The characteristics of the particles of matter are:
The particles of matter have spaces between them
The particles of matter are continuously moving
The particles of matter attract each other
The particles of matter are very, very small.
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