Question

1. Which of the following are
matter?
Chair, air, love, smell, hate,
almonds, thought, cold, lemon
water, smell of perfume.
2. 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.
3. A diver is able to cut through
water in a swimming pool. Which
property of matter does this
observation show?
4. What are the characteristics of
the particles of matter?​

Answer 1

Answer:

chair , almonds, lemon,water

Explanation:

the hot air is lighter than cold air and heat increase it causes kinetic energy

no

particles may be in large attraction force between them it may be little space or no space

Answer 2

Answer:-1. matter:- hair, air, almond, cold drink, smell of perfume.

2.because the kinetic energy of the particles of matter increases with the increases in temperature.

3.the ability of a driver to cut through water in a swimming pool shows that matter is made up of particles.

4.the characteristics of matter are:-

1.particles of matter have spaces between them.

2.particles of matter are continuously moving.

3.particles of matter attract each other.

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