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					                  The Haberdashers' Aske's Boys’ School
                             Elstree, Herts

                      13+ Entrance Examination 2010




                                          PHYSICS

                          Please follow these instructions

      The Science paper is divided into three sections (Biology, Chemistry and Physics).
       The time for the Science paper is 1 hour. You should spend no more than 20 minutes
       on each section.

      Answer the questions in the spaces provided. Long answers are not expected.

      You may use your calculator in any of the numerical questions.

      Rough work should be done on the paper but do not write in the margins.

      Write your name and school in the box below.


             Name

             School

             Exam number



For the examiner’s use only

Question      1       2       3       4       5       6       7         8    9       Total

Max           4       4       4       4       5       3       2         3    4        33

Mark
                                                                           Leave
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1.   The drawings below show six ways of providing energy.

                      coal fire                              turbine




               burns coal to provide                turns a generator to
                       heat                          provide electricity

                         A                                     B
                 petrol generator                        gas boiler




               burns petrol to provide              burns gas to provide
                     electricity                           heat

                         C                                     D

                    solar panel                        wave turbine

                    solar panel




                uses solar energy to                uses wave energy to
                   provide heat                      provide electricity

                         E                                     F



                                           2
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(a)   From the drawings, give the names of two fossil fuels.

      1. ..............................................................

      2. ..............................................................
                                                                                    1 mark




(b)   What is the source of energy for a solar panel?

               .........................................................
                                                                                    1 mark

(c)   What makes the blades of the turbine in drawing B go round?

      ..................................................................
                                                                                    1 mark




(d)   Renewable energy resources will not run out.

      From the drawings, give one energy source that will not run out.

      ..................................................................
                                                                                    1 mark
                                                                           maximum 4 marks




                                                            3
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2.   The diagram below shows a pen.

     The pen is held up by two magnets, one in the stand and the other in the pen.



                                                    magnet in stand
                                            N

                                            S

                                                    magnet in pen



                                                    pen




                       stand




     (a)   On the dotted lines above, label the North pole and the South pole of the
           magnet in the pen.

           Use the letters N and S.
                                                                                       1 mark




                                            4
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(b)   John put a block of metal between the two magnets as shown below.



                                                                         magnet in stand
                                                            N

                                                            S


                                                                         block of metal


                                                                         magnet in pen




                         stand




      The block of metal became a magnet.



      (i)      On the dotted lines above, label the North poles and the South
               poles of both the block of metal and the magnet.

               Use the letters N and S.
                                                                                                                                 1 mark

      (ii)     What metal could the block be made of?

               .............................................................
                                                                                                                                 1 mark




(c)   John repeated the experiment using a piece of wood instead of a block of
      metal. The pen did not stay up.
      Give the reason for this.

      ........................................................................................................................
                                                                                                                                 1 mark
                                                                                                                maximum 4 marks




                                                            5
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3.   The drawings in parts (a), (b) and (c) show two teams of pupils in a tug-of-war.
     There is a ribbon tied to the middle of the rope.

     (a)   The sizes and directions of the forces of each team are shown.




                          team A                                                               team B

           The ribbon stays above point X on the ground. Give the reason for this.

           .........................................................................................................................

           .........................................................................................................................
                                                                                                                                       1 mark
     (b)   The teams then pull with the forces shown below.




                          team A                                                               team B

           Draw an arrow on the rope to show the direction in which the ribbon will move.
                                                                                                                                       1 mark
     (c)   Later, the ribbon was to the left of point X as shown below.




                          team A                                                               team B

           Why did the ribbon move towards the left?

           .........................................................................................................................

           .........................................................................................................................
                                                                                                                                       1 mark




                                                                 6
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(d)   Team A practises by pulling a rope tied to a tree.




      The team pulls with a force of 1200 N but the tree does not move.

      What is the force of the tree on the rope?
      Tick the correct box.

                     less than                                    more than
  zero                                         1200 N             1200 N
                     1200 N

                                                                                   1 mark



                                                                          maximum 4 marks




                                         7
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4.   (a)     Alfie made a model of part of the solar system.
     He used metal balls for the Sun, the Moon and the planets.




         E goes around D.

         B, C, D, F and G go around A.



          Give the letter that is used to label:

          (i)     the model Sun;

                  ..............
                                                                           1 mark




          (ii)    the model Earth;

                  ..............
                                                                           1 mark




          (iii)   the model Moon;

                  ..............
                                                                           1 mark




          (iv)    the model planet with the largest orbit.

                  ..............
                                                                           1 mark
                                                                  maximum 4 marks



                                               8
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5.   The drawing shows a snow-buggy being pulled by a sail.
     The buggy rests on three skis on the snow.




     (a)   The drawing shows four forces that act when the snow-buggy is moving.

           Draw a line from each force in the list below to the correct letter from the
           diagram.
           Draw only three lines.

                            force                                      letter


                                                                         A

                   the weight of the buggy

                                                                         B
                     the force pulling the
                         buggy along

                                                                         C

                   the friction between the
                      skis and the snow

                                                                         D

                                                                                          3 marks




                                               9
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(b)   The buggy rests on three skis instead of three wheels.

      Why are skis better than wheels for travelling on snow?

      ......................................................................................................................

      ......................................................................................................................
                                                                                                                               1 mark




(c)   When a bigger sail is used, the buggy goes faster.

      How does a bigger sail help the buggy to go faster?

      ......................................................................................................................

      ......................................................................................................................
                                                                                                                               1 mark
                                                                                                                maximum 5 marks




                                                            10
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6.   Daniel connected up the following circuit, using a battery, three bulbs and a
     switch.

                                                         A         B




                                                                                               L




                                                    J                             K



     (a)   Daniel moves the switch from position A to position B.

           What, if anything, happens to bulbs J, K and L?

           bulb J: ..........................................................................................................

           bulb K: ..........................................................................................................

           bulb L: ...........................................................................................................
                                                                                                                                 2 marks




     (b)   Daniel uses a piece of copper wire to connect points P and Q.


                                                                                    copper wire
                                                        A         B
                             P                                                            Q



                                                                                              L




                                                  J                             K



           Which of the bulbs, if any, are lit up?

           ..................................................................
                                                                                                                                 1 mark
                                                                                                                 Maximum 3 marks



                                                                 11
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7.   (a)   Max built circuit 1 as shown below.




                  A                B               D                      E

                                             C

                                                                 S

                                           circuit 1

           He closed the switch, S, and all the bulbs came on.
           One of the bulbs then broke and all the bulbs went off.

           Which bulb must have broken? Give the letter.

           ...............
                                                                                            1 mark


     (b)   Max built circuit 3 using a battery, two bulbs and three ammeters.




                      A1                                                      A3



                                              A2


                                           circuit 3

           The current reading on ammeter A1 was 0.8 amps.
           What would be the reading on ammeters A2 and A3?
           Place one tick in the table by the correct pair of readings.

                         reading on           reading on             correct pair
                      ammeter A2 (amps)    ammeter A3 (amps)         of readings

                             0.8                       0.8

                             0.8                       0.4

                             0.4                       0.8

                             0.4                       0.2

                                                                                            1 mark
                                                                                   maximum 2 marks




                                              12
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8.   Zena has a model plane attached to a rod as shown below.
     The plane is balanced by a sliding counterweight.

                                                                                                        sliding
                         10 cm                               20 cm                                      counterweight


                                                                                                                     rod
                                                  pivot


                                                                                        5N




                  W


                                                                                                      not to scale



     (a)   The rod is balanced horizontally.

           (i)    Calculate the turning moment produced by the counterweight about
                  the pivot.
                  Give the unit.

                  ...............................................................................................................

                  ...............................................................................................................
                                                                                                                                2 marks




           (ii)   Calculate the weight, W, of the plane.

                  ...............................................................................................................

                  .............................................................................................................N
                                                                                                                                    1 mark



                                                                                                                  maximum 3 marks




                                                              13
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9.   A remote-controlled car was timed over a period of 10 seconds.
     A graph of distance against time is shown below.

                                    20


                                    16


                              12
                  distance, in
                    metres
                               8


                                      4


                                      0
                                          0            2            4        6                  8            10
                                                                 time, in seconds



     (a)   Describe the motion of the car between:

           (i)      2 seconds and 6 seconds;

                    .............................................................................................................
                                                                                                                                    1 mark




           (ii)     9 seconds and 10 seconds.

                    .............................................................................................................
                                                                                                                                    1 mark

     (b)   Calculate the average speed of the car between 0 and 10 seconds.
           Give the unit.

           .....................................................................................................................

           .....................................................................................................................
                                                                                                                                    2 marks
                                                                                                                     Maximum 4 marks




                                              End of Physics section


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