*if you are looking for Tamil Nadu Board Class 6 Science Chapter 1 Measurement then you are at the right place.*

**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.**

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

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

- We can say that mass of an object is 126 kg. [True]

- Length of one’s chest can be measured using metre scale. [false]
- Ten millimetre makes one centimetre. [True]
- A hand span is a reliable measure of length. [False]
- The SI system of units is accepted everywhere in the world. [True]

IV. Complete the analogy.

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

- Match the following.
- Length of the fore arm a. metre
- SI unit of length b. second
- Nano c. 103
- SI Unit of time d. 10–9
- Kilo e. Cubit

Ans-Match the following.

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

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

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

Ans-

- 1 millimetre
- 1 centimetre
- 1 metre
- 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

kilogram

Q-What is the SI Unit of mass?

Kilogram

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

Quantity, Unit