lunes, 27 de septiembre de 2010

solid, liquid and gases

                    state of matter:any of the forms matter can exist in.
            melting point:the temperature at which a solid changes state into a gas.
            boiling point:the temperature at which a liquid chauges state into a gas

          freezing point:the temperature at which a liquid changes state into a solid.
                                                          
                                                           
                                                    
                                                

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