10. Chronometer is a collective tem for devices used in measuring ______.
a, angle
b. length
c. temperature
d time

11. It is the measurement or extent of an object from end to end.
a weight
b. length
c. volume
d. rate

12. It is a result obtained by measuring and is usually expressed in numbers.
a. measurement
b. measuring devices
c. metric system
d. English systern

13. The device used to measure an angle is called ______.
a thermometer
b. weighing scale
c. clock
d. protractor

14. It was the first unit of linear measurement recorded during ancient times.
a cubits
b. foot
c. span
d. inch

15. During ancient time, people use _____ for measuring.
a. body parts
b. tape measure
c. ruler
d. thermometer ​