Soil

2005 • 32 pages

Earth is made of different things—gases, rocks, soil, and water. Soil is the top layer of the ground. Made up of tiny rocks and small pieces of plants and animals, soil helps plants grow and provides a home to insects and worms.

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Series

Featured Series

5 released books

First Step Nonfiction

First Step Nonfiction is a 5-book series with 5 released primary works first released in 2003 with contributions by Robin Nelson and Jennifer Boothroyd.