Explains the various methods of measuring quantity and distance and describes the development of these standards from prehistoric times to the present day.
Explains the need for standard units of measure and suggests simple experiments that demonstrate the use of these units in measuring distance, volume, and weight.
Describes some of the different tools used to measure height, explaining what height is, discussing rulers, tape measures, angles, estimation, and other topics, and including an experiment.
Presents projects and experiments that involve measuring, covering such topics as units of measure, accuracy, mass, measuring areas and volumes, temperature, heat, times, speed, and indirect measurements.