1. States of Matter
LO: I know what is meant by the three states of matter.

2. There are three states of matter:
(1) Solids
Structure:
Features:
flow
does not
shape
has its own
volume
doesn’t change
neatly
ordered particles.
particles vibrate
slowly
LO: I know what is meant by a solid.

3. (2) Liquids Structure: Features: flows . shape doesn’t have its own .
volume
doesn’t change
disordered
particles.
quickly
particles vibrate
LO: I know what is meant by a liquid.

4. (3) Gases Structure: Features: flow spread and out. shape
doesn’t have its own
volume
changes
disordered
particles.
very quickly
particles vibrate
LO: I know what is meant by a gas.

5. Changes of State
LO: I understand what happens during a state change.

6. ice water steam Changes of State
A change of state occurs when is added or taken away from a substance:
heat
Add
heat
melting
boiling
ice
water
steam
Remove
heat
freezing
condensing
LO: I understand what happens during a state change.

7. The melting point is the temperature at which a turns into a . solid
liquid
The melting point of water is ˚C.
The boiling point is the temperature at which a
turns into a .
liquid
gas
The boiling point of water is ˚C.
100
Evaporating is a special case of boiling that takes place below the point.
boiling
LO: I understand what happens during a state change.

8. The melting point is the temperature at which a turns into a . solid
liquid
The melting point of water is ˚C.
The boiling point is the temperature at which a
turns into a .
liquid
gas
The boiling point of water is ˚C.
100
Evaporating is a special case of boiling that takes place below the point.
boiling
LO: I understand what happens during a state change.