Physical Quantities
Quantities that can be measured . Length , mass , time , temperature & electric current .S.I. Units
Physical quantities are measured in S.I. Units . The symbol S.I. is an abbreviation for the French term Le Systeme International d'Unites . It means International System of Units . Examples of physical quantities and their units :
Using prefixes in measurements .
We usually use prefixes when the quantities we measure have very big values or very small values . The use of prefixes makes it easier for us to write these measurements . Examples :
