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Matter changes from one state to another by heating or cooling

               “Changing the temperature”

Solids      Heating              Liquid      Heating         Gas
(Ice)        Cooling             (Water)      Cooling  (Water vapor)

                             Scientist chef

? Some properties of matter can be measured:

P.O.C Length                         Mass            Temperature

               1- Graduated      1- Balance (Scale)       Thermometer
                      ruler

Measuring   2- Graduated
   tools           tape

Measuring Cm, m, Km              gm, Kg, ton           ºC
    unit

First Term                   73
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