soil formation

Text and photographs explore why worms are necessary for soil.

"In this book readers will learn how animals help make soil."--Provided by publisher.

Focuses on worms and discusses their physical characteristics, diet, defenses, habitats, food webs, and importance to the ecosystem. Includes color photographs, fact boxes, and a glossary.

Discusses soil, what lives in it, what it is made of, and how to keep it healthy.

Text and photographs explore why worms are necessary for soil.

Learn about earthworms, where they live, and why we can't live without them.

"In this book, readers learn what makes up soil."--Provided by publisher.

"In this book, readers learn about the different types of soil."--Provided by publisher.

"Developed by literacy experts for students in kindergarten through grade three, this book introduces soil to young readers through leveled text and related photos"--Provided by publisher.

Describes the cycle of soil decomposition and the water cycle, as well as how to develop a compost pile for recycling pea pods and other garden products into compost to feed a garden.