NCERT class 6 chapter 7। Motion and Measurement of Distances। English Medium

Motion and Measurement of Distances

Chapter 7

1. Give two examples each, of modes of transport used on land, water and air.

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2. Fill in the blanks:

(i) One metre is ______________ cm.

(ii) Five kilometre is ______________ m.

(iii)Motion of a child on a swing is ______________.

(iv)Motion of the needle of a sewing machine is ______________.

(v) Motion of wheel of a bicycle is______________.

3. Why can a pace or a footstep not be used as a standard unit of length?

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4. Arrange the following lengths in their increasing magnitude:

1 metre, 1 centimetre, 1 kilometre,1 millimetre.

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5. The height of a person is 1.65 m. Express it into cm and mm.

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6. The distance between Radha’s home and her school is 3250 m. Express this

distance into km.

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7. While measuring the length of a knitting needle, the reading of the scale at one

end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?

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8. Write the similarities and differences between the motion of a bicycle and a

ceiling fan that has been switched on.

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9. Why would you not like to use a measuring tape made of an elastic material like

rubber to measure distance? What would be some of the problems you would

meet in telling someone about a distance you measured with such a tape?

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10. Give two examples of periodic motion

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