Question

V. Pick the odd one out. Give scientific reason for your answer.
1. Footstep, scale, cubit, handspan
2. Kilogram, metre, centimetre, millimetre
3. Sand clock, minute, second, hour
4. Area, digital thermometer, laboratory thermometer, clinical thermometer
Oo Oo oo
Understanding Ideas
CA
1. Answer the following in one word/one statement:
1. Why is it necessary to have standard units of measurement?
2. Give examples for the following:
(a) Instruments used for measuring distances.
(b) Quantities which indicate distance.​

Answer 1

Explanation:

flying bird

(ii) merry-go-round

(iii) weight

(iv) mass

(v) work.