Measurements and their Errors

Question 1

What are the 7 fundamental S.I units?

Answer 1

Length, m
Time, s
Mass, kg
Thermodynamic Temperature, K
Electrical Current, A
Amount of Substance, mol
Luminous Intensity, cd

Question 2

What are derived units?

Answer 2

Units derived from the 7 base S.I units, eg area, volume, density, speed, acceleration