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Test lesson 3




          Choose the correct answer:

          1-An example of non-metal is …………………                             (Copper – aluminum –

          Sulphur)


          2-All metals are solids at room temperature except…………...

          (Iron – mercury – Gold – bromine)



          3-Electric wires are made up of ………………  (Sulphur – Oxygen –
          copper)



          4-Carbon is characterized with ……………….

          (good conductor of heat – good conductor of electricity –

          malleable and ductile)


          5-The papers used in wrapping chocolate up shows the property

          of …….........

          (electricity conductivity – the ability for melting – malleable and

          ductility)
          Correct the underline words:

              1.  All metals are solid elements in normal temperature except

                 bromine.

              2. Sulphur is a non-metal element that good conductor of
                 electricity.

              3. Metals are bad conductors of heat and electricity.

              4. Cooking pots are made of wood.

              5. Mercury is a liquid non-metal.

              6. Non-metals can found in two states.
              7. Positive pole in dry cell is made of plastic.

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