2.  The particles are packed closely together.  The forces in between are strong enough, thus the particles cannot move freely but can vibrate in their position.  Therefore, solid has got definite shape and volume.  We can change the shape of a solid by using force or when it is broken or cut.

3.  They are strongly attracted to one another.  The particles are arranged in a fixed, regular pattern.  The particles are so close, hence solid cannot be compressed.

4.  The particles are closely packed together.  The molecules have enough energy to move over short distances freely.  Therefore, liquids does not have definite shape but have definite volume.  Hence, liquids takes up the shape of a container.

5.  The particles are attracted to one another.  The particles are not arranged in a fixed or regular pattern.  The particles are attracted to one another, hence liquids cannot be compressed.

6.  The particles are far apart from one another.  Since the particles are far apart, gases will be able to move around freely in any directions.  Gases are able to move freely to occupy any spaces that is available. Thus gases does not have definite shape or volume.

7.  The particles are weakly attracted to one another.  The particles in gases are spaced far apart from one another, therefore gases can be compressed easily.

8.  When a solid is being heated by a strong heat, the particles will gain more energy and vibrates more vigorously.  Once reaching the melting point, the particles would break free from one another and would move about randomly.  The particles are no longer in a definite shape.  The process is called Melting.

9.  When the liquid particles is cooled, the particles would loss energy and began to move more slower.  As the temperature continues to fall, the particles would loss even more energy until they are very close together, to attract them to a fixed position.  The substance had changed from liquid to solid.  The process is called Freezing.

10.  When the particles in liquid is heated, they would gain energy and vibrates vigorously.  When the particles reaches the boiling point, they break free from one another and the particles would be arranged very far apart, moving at a great speed.  This process is called Boiling.

11.  When the particles in gas are cooled, they would loss energy and starts to move slower.  If the temperature continues to fall, the particles would loss more energy, until they are close enough to be attracted to one another.  This process is called Condensation.

12. Done by : ( Leader ) See Chin Yong ( A. Leader ) Gabryl Russel ( Member ) Titally Tan ( Member ) Wong Chong En ( Member ) Tan Guan Rong