Page 13 - Genius PBD Science Year 4
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Science  Year 4  Unit 1 Scientific Skills                       Date:


      Subjective Questions



       1.  In an investigation, two grasshoppers were placed in three glasses of different sizes.
           The results of the investigation are recorded in the table below.





                                                     Glass                      K      L    M
                                                     Lifespan of the            40    60    80
                                                     grasshoppers (minutes)
              K             L              M

           (a)  State one observation based on this investigation.   PL 1





                                                                                        [1 mark]

          (b)  State one reason (inference) based on your answer in 1(a).   PL 3    HOTS  Applying




                                                                                        [1 mark]
          (c)  Match the information below with the correct variables in this investigation.   PL 2


                        Information                                      Variables


                                                                   Manipulated variable
                (i) Lifespan of grasshoppers
                                                                     Constant variable
                 (ii) Size of glass
                                                                   Responding variable

                                                                                       [2 marks]
          (d)  What hypothesis can be made from this investigation?     PL 3    HOTS  Applying





                                                                                        [1 mark]








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 01 Unit 01 Genius PBD SCIENCE YR4.indd   6                                                   19/10/2022   4:56 PM
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