States of matter

1. h
SOLIDS They have a
definite shape
and a definite
volume.
All particles are
very close
together.
LIQUIDS Liquids have an
indefinite shape
and a definite
volume.
Particles are not
very close
together.
GASES Gases have an
indefinite shape
and an
indefinite
volume.
Particles of
gases are very
far apart and
move freely.

2. h
Look at the pictures. Say whether the part is a solid,
a liquid or a gas.
E.g. Hot air is a gass
The sky is a …

3. h

4. h

5. h
PHASE CHANGE DESCRIPTION HEAT MOVEMENT
DURING PHASE
CHANGE
MELTING Solid to liquid Heat goes into the
solid as it melts.
FREEZING Liquid to solid Heat leaves the liquid
as it freezes.
VAPORIZATION
(Boiling and
evaporation)
Liquid to gas Heat goes into the
liquid as it vaporizes.
CONDENSATION Gas to liquid Heat leaves the gas
as it condenses.
SUBLIMATION Solid to gas Heat goes into the
solid as it sublimates.

6. h
Does it
solidify?
Does it
freeze?
Does it melt?
Does it
vaporizes?

7. • http://art4linux.org/system/files/liquid-1600.jpg
• http://www.globalnerdy.com/2009/07/17/dimecast-nets-solid-screencasts/
• http://www.bbc.co.uk/schools/teachers/
• http://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Orange_juice_1.jpg/220px-Orange_juice_1.jpg
• http://www.elconfidencial.com/fotos/salud/200801172chocolatedentro_20080118.jpg
• http://1.bp.blogspot.com/-
1nbLa8mNNjk/TajTWdZdI1I/AAAAAAAAAds/CCAkw8MjWOU/s1600/wind.jpg
• http://4.bp.blogspot.com/-
p2HUb3goRis/TihDb3ianwI/AAAAAAAAAbU/qXtE4c_OF3E/s1600/Hot+Air+Balloon.gif
h