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Science - Y5 – God’s Amazing Matters – week 7







               Sort the letters in italics into words to complete the sentences about tyres.

                                                                               Man-made rubbers from
                  The side walls are
                  protected by                                                 are used to make side
                         (awx)                                                 walls strong and flexible.
                                                                               (poletruem)



          Rubber is bound

          together like glue by                                                   The side walls are made

          adding                                                                  more flexible by adding

                 (phruslu)                                                        (loi)





          Rods of                                                                  Tyres also have

          are used to strengthen                                                                          in the

          treads.                                                                  inner wall.
                  (teles)                                                                  (ynlon)




             Carbon black                                                       Butyl rubber is used for

             strengthens                                                                          tubes

             so that it lasts longer.                                           because it holds air in.

                   (rbbreu)                                                     (nenir)




              Tasks: -

                      Take a wax crayon and thin paper and do at least three tyre rubbings
                           to show different treads.
                      Measure and compare the width of a bicycle tyre with a car tyre.
                      Find out the legal requirements for the tread on a car tyre.
                      Name two manufacturers of tyres.







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