soils

What causes sinkholes to form? Can scientists predict where they might appear? What are some of the biggest sinkholes in the world? Find the answers to these questions and more in this enhanced media book.

Describes types of soil and their uses.

Describes the different types of soil, its purposes, and why soil is so important to all living things.

Describes different types of soil in different climates, what animals live in them, and their value to human life.

Describes what soil is made of, different kinds of soil, and how things live and grow in soil.

Describes how rocks are made, discusses how they are used, and provides facts about soil, metals, gems, fossils, and fossil fuels, and includes activities and a glossary.

Introduces children to the key role soil plays in the environment and life cycles, describing the nutrients and insects found in soil, the different types of soil, and its many attributes.

A discussion of soil including its composition, care, role as a home for insects and animals, and as a way of feeding the world.

Discusses the important role soil plays in environmental health, describes the impact of erosion and contamination, and explores how countries are dealing with the issue of land degradation.

Explains how forensic geologists are able to analyze soil to find evidence to solve crimes.