October 10th is National Metric Day. I have “Science Experiences: Measuring” by Jeanne Bendick, 1971. This book explains how to measure, distance, sizes, volumes, and weights. It also goes into the history of the Imperial system, used by many English-speaking (USA). It also gives the history, like pace, foot, span, yard, cubit, and fathom. TheContinue reading “October 10 “Keep smiling and stay informed””