What Is the Nitrogen Cycle?

This engaging STEM resource introduces elementary school readers to the importance of the nitrogen cycle in clear, easy-to-follow text. Readers will learn why nitrogen is an essential nutrient for growth, where nitrogen is found, the important role legumes play in the nitrogen cycle, and more. Colorful illustrations and photographs add essential information to each page. Thought-provoking sidebars encourage readers think critically about this engaging subject matter.