In this activity, students study English to Metric conversions. They investigate the relationship between inches and centimeters by measuring their height in these units and converting the measurements.

A map from 1868 of the United States showing physical features, mean annual temperatures, rainfall distribution, watersheds, and principal products in the area. The average annual temperatures are shown by isotherms, with temperatures...

Sphinx is a Greek word signifying 'strangler,' applied to certain symbolical forms of Egyptian origin, having the body of a lion, a human or an animal head, and two wings. Various other combinations of animal forms have been called by...