This document provides a course of study for nature study projects in elementary schools. It outlines two units: Cycles of Garden Life and Cycles of Plant Life. The Cycles of Garden Life unit contains lessons on topics like birds and insects in the garden, toads, bees, and trees. The Cycles of Plant Life unit focuses on the growth cycles of key crops like wheat, corn, and cotton with lessons on plowing, sowing, planting, harvesting, and more. The document provides outlines, references, and sample lessons to help teachers integrate these nature study topics into their daily curriculum through activities in various subjects.