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Wednesday, June 15, 2011

CBSE or NCERT Science Class VIth Test from Ch. 10 - Motion and Measurement of Distances

M.M: 41 marks                                                                                    Date: 15/06/2011
Time: 50 minutes

Q 1: Fill in the blanks with the correct word/s:            (1 mark per question x 23 = 23 marks)

i.    SI means ______________   _________________.
ii.   The SI unit of length is  ___________.
iii.  Each metre is divided into _________ equal divisions, called _______________.
iv.  The type of motion in which an object moves in a straight line is called _____________________ motion.
v.   When a ball rolls on a ground in a straight line, it has _________________ motion as well as ____________ motion.
vi.   The type of motion in which an object repeats its motion after some time is called ______________ motion.
vii.  _________ is the change in the position of an object with time.
viii. The length of forearm from elbow to finger tips is called ___________.
ix.   Every measurement consists of a number and a ______________.
x.    _________ is a prefix which means one thousand.
xi.   _________ is a prefix which denotes one-thousandth.
xii.  ________ is a prefix which denotes one-hundredth.
xiii. The SI unit of measuring time is ______________.
xiv.  One foot-step is called __________.
xv.  The length of the space between two points is called ____________.
xvi.  To carry people and goods from one place to another is called ____________.
xvii.  A sewing machine exhibits two types of motion at the same time: _____________ motion as well as __________ motion.
xviii.  A spinning top (lattu) exhibits ______________ motion.
xix.   A pendulum consists of a small metal ball called _______.
xx.   In ____________ motion, the object moves in such as way that its distance from a fixed point, say the centre of circular path remains the same.
xxi.  The movement of all the planets around the sun is _____________ motion.
xxii.  When an object is stationary, it is said to be at _________.
xxiii.  Motion of a falling stone is ________________.

Q 2: Write one similarity and one difference between the motion of a bicycle moving on a straight road and a ceiling fan that has been switched ON.                                     (2 marks)

Q 3: Give two examples of modes of transport:                                                   (2 marks)

i.    Used in water
ii.    Used in air

Q 4: Why is it necessary to have standard units of measurement?                          (1 mark)

Q 5: A 30 cm scale has one of its ends broken at left. The mark at the broken end is 3.5 cm.  (2 marks)

  a. Which mark of this scale will you use for measuring the length of an object?
  b. How much will you subtract from the scale reading at the other end of the object to get the correct length?

Q 6: What type of measuring device would you use to measure:                          (2 marks)

a.    The girth of a tree?
b.    A piece of cloth?

Q 7: Write two precautions to be taken while using a scale to measure something. (2 marks)

Q 8: Name four types of motion? Give one example of each.                              (4 marks)

Q 9: Tick the right one: Length of a curved line cannot be measured by a metre scale directly - True/False                                                                                         (1 mark)

Q 10: Classify the following motions:                                                                 (2 marks)

i.    Heart beat
ii.    Motion of pulley while drawing water from a well.

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