Page 76 - science
P. 76

What happens to sounds when
                  we get further away from them?


               Predict what will happen to a sound when you
               get further away from it.







                                                                                                  Be a
                                                                                                  scientist

                                                                                          Scientists ask

                                                                                          questions and

                                                                                          listen carefully

               1  Go outside into a big open space.                                       to the answers.
                                                                                          This helps them
                 One person stands in the centre with their eyes                          to work out

                  closed.
                                                                                          solutions to
                 They are the Listener.                                                   difficult


               2  Stand in a circle around the Listener.                                  problems.

                 Stand as far away as possible.                                               page 7

               3  Tiptoe very quietly towards the Listener.


                 The Listener listens very carefully.

                 If they hear a sound, they turn around quickly                           Key idea

                  and open their eyes.                                                    Sounds

                 If they see you moving, you must go back to                              change when
                  the start. See who gets to the centre first.                            we move

                                                                                          closer to them             4 Making Sounds

                                                                                          or further
                           Were some of you quieter

                           than others? Why?                                              away from
                                                                                          them.

                                                                                                                     77
            ■ For more activities, go to Workbook 1 page 77.
   71   72   73   74   75   76   77   78   79   80   81