Matter - Chapter 6
Lesson Two
Physical Changes in Matter
1
Section One - States of Matter
There are three states of matter: solid
liquid
gas
2
Changes of state occur when a substance changes from
one state to another.
Each change has a name.
solid
liquid
melting
liquid
solid
freezing
liquid
gas
boiling
gas
liquid
condensing
3
Matter is made up of particles. These particles are always moving.
ice ­ solid (close together, vibrate in place)
hese are each made of the same
kind of particles,
but the particles move different in
each state
and are either close together or far
apart.
T
water ­ liquid
(further apart and move easily)
water vapor ­ gas
(fly all over the place and
move very quickly)
4
Physical changes
A physical change is a change that does not result in a new
substance. No new substance is made.
ch
car
op
p
vin
cu
g
ding
d
shre
ttin
g p
ing
wo
od
ap
er
Examples
freezing water
vin
sol
dis
uga
g s
g
n
i
t
t
cu
sald
mi
mel
r
ate
w
r in
a
xing
ting
ice 5