Difference between Solid,Liquid and Gas


Matter occurs in four states: solids, liquids, gases, and plasma. Often the States of Matter States of Matter of a substance may be changed by adding or removing heat energy from it. For example, the addition of heat can melt ice into liquid water and turn water into steam.

  • States of Matter can exist in one of three main states:States of Matter,States of Matter, or States of Matter
  •  Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around.
  •  Liquid matter is made of more loosely packed particles. It will take the shape of its container. Particles can move about within a liquid, but they are packed densely enough that States of Matter is maintained.
  •   Gaseous matter is composed of particles packed so loosely that it has neither a defined shape nor a defined volume. A gas can be compressed.


Difference between Solid, Liquid and Gas



Defination: Solid refers to a form of matter which has structural rigidity and has a firm shape which cannot be changed easily.

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  • Close packing: Particles are very closely packed.
  • Shape and Volume: Fixed shape and volume.
  • Energy: Lowest
  • Compressibility: Difficult
  • Arrangement of molecules: Regular and closely arranged.
  • Fluidity: Cannot flow
  • Force of attraction among particles: Strongest
  • Sound speed: Fastest
  • Storage: Don’t need container for storage.




  • Defination: Liquid is a substance, that flows freely, having a definite volume but no permanent shape.
  • Close packing: Less closely packed, interparticle distance more than solids but less than gases
  • Shape and Volume:  No fixed shape but has volume.
  • Energy: Medium
  • Compressibility: Nearly difficult
  • Arrangement of molecules: Random and little sparsely arranged.
  • Fluidity: Flows from higher to lower level
  • Force of attraction among particles:  Weaker than solids but stronger than gases 
  • Sound speed: Faster than gas but slower than solid
  • Storage: Cannot be stored without container.




  • Defination: Gas refers to a state of matter, do not have any shape but conform to the shape of the container, completely, in which it is put in
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  • Close packing:  Very loosely packed, particles are free to move with maximum interparticle distance.
  • Shape and Volume: Neither definite shape nor volume
  • Energy: Highest
  • Compressibility: Highly compressible
  • Arrangement of molecules: Random and more sparsely arranged
  • Fluidity: Flows in all directions.
  • Force of attraction among particles: Weakest
  • Sound speed: Lowest among all
  • Storage: Needs closed container for storage.