States of Matter

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                                                      I made a mistake here! 
                        I made a mistake here! Solids have a definite shape and mass! 






Gases, liquids and solids are states of matter. Liquids and solids are very similar: both have a definite volume and mass, slight expansion and low compressibility. The only thing gases, liquids and solids have in common is mass; all of them have a definite one. No matter how different or similar these states of matter might be they make all of the "stuff" around us.