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5-Burning of sugar is…………………..

              a) Physical change        b)chemical change

              C) a) and b)


                6) the measuring unit of volume of solid
                object is       a)cmᶟ         b)m      c)gram



                 B) What happen when:

                 1- Heating of apiece of ice
              ………………………………………………………………………………………………………………

                 2- Iron is left in air containing water vapour

              ………………………………………………………………………………………………………………

              3-Earth rotates around its axis
                     ………………………………………………………………………………………………………


              Question three :

              A)  Write the scientific term :


                 1- Anything that has mass and volume

                 2- A planet called the red planet

                 3- Elements that have luster and high melting point


                 4- A change of matter from liquid to solid by cooling

                 5- A change happen when the iron rust

                 6- The amount of matter in the body

                     (Put (√)  or (x) :
            1-Sensetive balance is used to measure the  mass of jewels

            2-Carbon and Sulphur  have not luster

            3-The Moon is a shiny star emits heat and light

            4-The Earth rotates around itself every 28 day
            5-Melting of ice is a chemical change

            6-The measuring unit of mass is Kg















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