Introduces the components of soil, patterns of change, and erosion.

Different Kinds of Soil will help children understand the composition of soil, its layers, and what organic and inorganic matter is found in soil. Comparisons of soil particles help describe different types of soil, soils from different climates, how soil type effects plant and animal life, and the value of fertile soil.

Introduces children to the subject of agriculture, showing not only how plants germinate, grow and produce food, but also about the composition of soil and the creatures who live in it.

How Is Soil Made introduces the organic and inorganic components of soil; discusses plants need for nutrients, nutrient cycles, and decomposition; illustrates the weathering, erosion, deposition processes; and, concludes with why humans need to safeguard soil.

Down where worms wriggle and microbes squirm, there's a whole world waiting to be discovered... Under Your Feet delves beneath the Earth's surface and explores the diverse wonders hidden there. Encounter creatures of the deep and marvel at the mind-boggling size of the humongous fungus--the biggest organism in the world. Learn how one handful of ordinary soil contains more organisms than there are people on Earth, and carry out experiments using dirt...