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Tuesday 27 November 2012

Exercises-paper II

1    The below figure shows an experiment carried out to investigate the effects of the rotation of the Earth. 









      a     What is represented by

      i      the globe:_______________________________________  ( 1 mark )

      ii     the electric torch:__________________________________  ( 1 mark )  

      b     Which point, A or B, on the globe will receive the light first?

             ______________________________________________   (1 mark )

      c     Write an inference for your answer in (b).

            _______________________________________________  ( 1 mark )

      d     What is the main occurrence that results from the rotation of the Earth on its axis?

             _______________________________________________  ( 1 mark )

      e     State what would happen if the Earth stopped rotating.

             _______________________________________________  ( 1 mark )




Answers:

1ai     The Earth
    ii     The Sun

  b      A
  c      The Earth rotates from the west to the east on its axis.
  d      The occurrence of day and night.
  e      One half of the surface of the Earth would have continuous daylight while the other half continuous darkness.

Thursday 22 November 2012

Exercises

Choose the correct answer.

1     Which of the following is the result of the Earth's rotation on its axis?
   
       A     earthquakes
       B     The four seasons
       C     Occurrence of day and night
       D     Formation of waves on the sea

2     The picture belows shows four position, P, Q, R & S, on the Earth.

       Which position is currently experiencing midnight?

       A.     P          B.     Q          C.     R          D.      S 

3     Which of the following is correct about the shadow of an object and the tme the shadow is formed?


4    We do not see the Moon during daytime because

      A     the Earth bolcks sunlight from falling on the surface of the Moon
      B     the Moon is always on the side of the Earth that is in darkness
      C     the Moon doew not reflect sunlight during daytime
      D     the Sun is much brighter than the Moon

5     Which of the following shows the correct sequence of the phases of the Moon?



Answers: 1  C     2  A     3  A     4  D     5  C