The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or weight is measured in ...

This practical procedure, the second of a two-part series, explains the rationale for measuring patientsâ height, outlines the procedure and explains how weight and height are used to calculate body ...

In this educational film, a father explains to his son Tommy the importance of weights and measures in everyday life. As they prepare to set up a train set, the father illustrates how measurements are ...