S.I. Units: Systeme Internationale

Question 1

What are S.I. Units?

Answer 1

These are a set of base units and also a scientific method of expressing the magnitudes of quantities of important natural phenomena.

Question 2

Name all of the S.I. base units

Answer 2

Mass - Kilogram (kg)
Length - Metre (m)
Time - Second (s)
Current - Ampere (A)
Temperature - Kelvin (K)
Amount of substance - Moles (mol)

Question 3

What does it mean for an equation to be homogeneous?

Answer 3

Both sides of the equation can be simplified to the same base unit or set of base units, if it is not homogeneous then it is incorrect.