Question

1) What is measurement? How is a measurement expressed?
2) State two characteristics of a unit.
3) Name four basic measurements in our daily life.

Answer 1

Answer:

1)

MEASUREMENT MEANS THE COMPARISON OF A KNOWN QUANTITY WITH AN UNKNOWN QUANTITY OF SAME KIND. ... THE RESULT OF THE MEASUREMENT IS EXPRESSED IN TWO PARTS. ONE PART IS THE NUMBER. ANOTHER PART IS THE UNIT OF MEASUREMENT

2)

There are two basic performance characteristics of measuring instrument: ... Static characteristics: value of the measured variable change slowly. 2. Dynamic characteristics: value of the measured variable change very fast.

3)

Four basic measurements in our daily life are: measurement of length, measurement of mass, measurement of time, and measurement of temperature.

Answer 2

Explanation:

1. measurements means comparing two quantity.

it can be expressed in number or unit.

2. it's value change, or it's value may remains constant.

3. length, time, mass, density.