Matter in our Surroundings

CLASS 9th

MATTER IN OUR
SURROUNDINGS
Best Handwritten Notes



made with
Shobhit Nirwan

, Characteristics of these ‘Particles’ of Matter
Particles of matter have spaces between in them.
-




Particles of matter are continuously moving.
--




Particles of matter attract each other.
-




*
States of Matter
-



The Solid State
-


The Liquid State
-




The Gaseous State
Matter In Our
Surroundings

8.
Changes of States of Matter
-



Effect of Change in Temperature
-




Effect of Change in Pressure


8.
Evaporation
-


Cooling Effect due to evaporation

, The air we breathe, the food we eat, stones, clouds , stars, plants and
animals, even a small drop of sand- everything is matter.
Basically everything in this universe is made up of material which
scientists have named matter.
-

-...........
-




#Kitaabi Definition: Matter is anything that occupies space and have mass. i
!----- ...........




-
Matter on the basis of Physical Properties: Solid, Liquid and Gas
->
Matter on the basis of Chemical Properties: Elements, Compounds
and Mixtures
*But in this chapter we’ll study about physical nature of matter only.

Physical Nature of Matter

W
Every matter is made up of particles.
Matter
And, these particles are very very small in size
-I

I Characteristics of these ‘Particles’ of Matter ·
[I] Particles of matter have spaces between in them. mm!!

⑳
When we make tea, coffee or lemonade (nimbu Water Pa
rticles
.

gr
Paani), particles of one type of matter get into
the spaces between particles of the other. This .
Lemon particles
.
shows that there is enough space between
particles of matter.
Lemonade (Nimbu Paani

[I] Particles of matter are continuously moving.
The particles inside a matter are continuously moving and due to this
motion, they generate kinetic energy.


ore
to