Down & Dirty: The Secrets of Soil

Sandy, crumbly, muddy, rocky, red, brown, gray--all these words can be used to describe soil. Some soil is soft and black and smells of wet leaves. By contrast, another kind is dry, orange, and as hard as rock. Inside this book, readers will discover that it's the ingredients that make up soil that give it so many different forms. Why is soil in a desert different from soil in a forest? What is the silvery-gray soil on the slopes of a volcano made of? And which types of soil are best for growing plants? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts about a material that most of us take for granted, the book makes learning about soil a lively, engaging experience.

Soil can be brown, black, crumbly, dry, wet-but so can dirt. So what's the difference? People often use the words "soil" and "dirt" to mean the same thing, but in science they are not the same at all. Soil is a material that plants can grow in, while dirt is the muddy footprints you leave on the floor on a wet day. Inside this book, readers will get down and dirty as they investigate what makes soil special and why dirt is something we need to wipe, sweep, or vacuum away. What ingredients are in soil? Why is soil said to be living, whereas dirt is dead? And when it's under your fingernails, is it dirt or soil? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts about a material that most of us take for granted, the book makes learning about soil a lively, engaging experience.

From ants, beetles, and worms, to moles, rabbits, and groundhogs, soil is home to many different animals. As they eat, produce bodily waste, and build their underground homes, all these soil-dwelling creatures are making new soil and helping to keep soil healthy. Inside this book, readers will discover a secret world of underground animals and the big part they play in the story of soil. How do animals recycle dead plants and turn them into new soil? Why are burrowing animals helpful to trees and other plants? And why is worm poop so good for the soil? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts about a material that most of us take for granted, the book makes learning about soil a lively, engaging experience.

For many months a tiny seed has been warm and safe underground. Now it's spring and a little green shoot bursts from the seed and appears from under the soil. Beneath the surface, the new plant's roots spread out in search of water and nutrients. One day the little shoot will be a tall, strong tree. None of this would be possible without soil! Inside this book, readers will discover how important soil is to plant life. How do plants get water and nutrients from soil? Why would trees fall over if there was no soil? And why is good, healthy soil essential to farmers who grow and produce most of the foods we eat? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts about a material that most of us take for granted, the book makes learning about soil a lively, engaging experience.

Soil can be black, brown, red, yellow, or gray. It can be dry and crumbly or wet and sticky. There are many different types of soil, but they all have one thing in common--they are made mostly from rock! Inside this book, readers will discover how soil is formed and what ingredients make up soil. How do hard rocks become soft soil? How do plants become part of the soil when they die? And is animal poop really one of the ingredients in our gardens? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts about a material that most of us take for granted, the book makes learning about soil a lively, engaging experience.