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Tamil Nadu Board Class 6 Science Chapter 1 Measurement

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I Choose the correct answer


1. The height of a tree can be measured by

a) metre scale c) plastic ruler

b) metre rod d) measuring tape


2. Conversion of 7 m into cm gives _____

a) 70 cm c) 700 cm

b) 7 cm d) 7000 cm


Quantity that can be measured is called ____

a) physical quantity c) unit

b) measurement d) motion


Choose the correct one

a) km > mm > cm > m

b) km > mm > m > cm

c) km > m > cm > mm

d) km > cm > m > mm


While measuring the length of an object using a ruler, the position of your eye should be

a) left side of the point.

b) vertically above the point where the measurement is to be taken.

c) right side of the point

d) any where according to one’s convenience.



II. Fill in the blanks.

  1. SI Unit of length is ……… [meter]
  2. 500 gm = …………kilogram. [0.5 kg]
  3. The distance between Delhi and Chennai can be measured in ……..;kilometres]
  4. 1 m =……… [100]
  5. 5 km = ……….. m. [5000]


III. State True or False. If false, correct the statement.

  1. We can say that mass of an object is 126 kg. [True]
  2. Length of one’s chest can be measured using metre scale. [false]
  3. Ten millimetre makes one centimetre. [True]
  4. A hand span is a reliable measure of length. [False]
  5. The SI system of units is accepted everywhere in the world. [True]


IV. Complete the analogy.

  1. Sugar : Beam balance :: Lime juice :___?
  2. Height of a person : cm :: Length of your sharpened pencil lead :___?
  3. Milk : Volume :: Vegetables :___?


  1. Match the following.
  2. Length of the fore arm a. metre
  3. SI unit of length b. second
  4. Nano c. 103
  5. SI Unit of time d. 10–9
  6. Kilo e. Cubit

Ans-Match the following.

  1. Length of the fore arm – e. Cubit
  2. SI unit of length – a. metre
  3. Nano – d. 10^-9
  4. SI Unit of time – b. second
  5. Kilo – c. 10^3


VI. Arrange the following in the increasing order of unit.

1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.


  1. 1 millimetre
  2. 1 centimetre
  3. 1 metre
  4. 1 kilometre


VII. Answer in a word or two.


Q- What is the full form of SI system?

Standard International System


Q-Name any one instrument used for measuring mass.

Beam balance


Q-Find the odd one out.

kilogram, millimetre, centimetre,nanometre



Q-What is the SI Unit of mass?



Q-What are the two parts present in a measurement?

Quantity, Unit


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