Search Results: 115 books from 1 publisher. Learn more

Environmental Activist

Carrie Gleason (author)

Publisher: Crabtree Publishing Company ISBN: 9780778792369

Environmental activists are concerned for the well being of the environment, including all people, plants, and animals. This wonderfully informative title shows how environmentalists work to preserve and improve the natural environment and how young environmentalists can become positive activists themselves. Readers will learn what actions they can take to make the world a better place to live in.

What is Scarcity of Resources?

Jessica Cohn (author)

Publisher: Crabtree Publishing Company ISBN: 9780778789697

This book describes resources to younger readers, including capital resources and natural resources. Emphasis is placed on how most resources are of limited supply, so producers and consumers must make choices when things they want or need become scarce. An impressive array of full-color images enhances the reading experience.

The Kalahari Desert

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191014

This colorful book describes the geological makeup and history of the Kalahari Desert in Africa. Covering most of Botswana, as well as portions of Namibia and South Africa, the Kalahari is not a true desert because it receives more than ten inches (250 mm) of rain each year. But the rain drains and evaporates quickly leaving no water on the surface of the red sand. Readers will learn about the variety of habitats in this vast desert system that support many different kinds of plants and animals such as springboks, giraffes, elephants, and zebras. Special sections also describe the Kalahari's natural resources, indigenous people, and the unique problems facing this region.

The Gobi Desert

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190994

This intriguing book describes the geological makeup and history of the Gobi Desert in Mongolia and China. Temperatures can get very cold and frost and snow are not unusual. Readers will learn about the variety of habitats in this vast desert system that support many different kinds of plants and animals such as camels, snow leopards, and bears. The Gobi Desert is also where the first dinosaur egg fossils were found. Special sections describe the desert's natural resources, such as copper and gold, and the unique problems facing this region such as the desert's alarming rate of desertification.

Changing Planet

Sally Morgan (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791317

From the earliest times humans have shaped and changed the landscape. Historical and modern-day examples in this interesting book show how natural habitats and wilderness areas are destroyed as people need more land for farming and to build towns and cities, and how increasing urbanization of populations is adding to the problem of carbon emissions that cause climate change.

What Is the Theory of Evolution?

Robert Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195272

This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the data gathered during his extensive voyages. The book also explores the controversies that developed around the publication of Darwins theory of natural selection and how the debate continues today.

What Is Cell Theory?

Marina Cohen (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195289

This fascinating new title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. His groundbreaking work inspired scientists and led to the creation of this fundamental biological principle that shaped modern biology.

What Are Newton's Laws of Motion?

Denyse O'Leary (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195296

This exciting book examines how Sir Isaac Newton developed three basic laws that govern the way in which objects move. Readers will learn how Newton expanded on the work of other great scientists, including Galileo and Copernicus, to make his important discovery. The book also explains how Newtons laws have influenced modern science and technology in areas such as sports and transportation.

The Tigris and Euphrates: Rivers of the Fertile Crescent

Gary G. Miller (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791706

The Tigris and Euphrates rivers surround a region once known as Mesopotamia, the "cradle" of ancient civilizations that included Sumer, Babylonia, and Assyria. This fascinating book follows both rivers from where they begin in Turkey, travel down through northern Syria and Iraq, and join to form the Shatt al Arab before emptying into the Persian Gulf.

The St. Lawrence: River Route to the Great Lakes

Lynn Peppas (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791690

This informative book follows the St. Lawrence River, once a main route of the fur and timber trades. This important commercial waterway forms part of the boundary between Canada and the United States and connects the Great Lakes with the Atlantic Ocean. Today, a system of canals, dams, and locks lets seagoing ships travel all the way to Lake Superior.

The Nile: River in the Sand

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791676

The Nile is the worlds longest river and the birthplace of one of the greatest civilizations of the ancient world. This book takes readers along the River in the Sand. Ancient Egyptians depended on the Niles annual floods to deposit fertile soil for farming. Today, more than 70 million people still grow crops in the rivers basin and fish in its waters.

The Yangtze: China's Majestic River

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791713

The mighty Yangtze River, the third-longest river in the world, is the birthplace of Chinese civilization. This intriguing book takes readers along this ancient transportation route, strategic natural boundary, and lifeblood of an agricultural society. The near completion of the Three Gorges Dam has displaced more than a million people and changed the river's ecosystem dramatically.

The Rhine: Europe's River Highway

Gary Miller (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791683

This engaging book highlights the Rhine River, a major transportation route in Western Europe. Fairytale castles and picturesque vineyards provide scenic stretches between Basel, Strasbourg, Cologne, and Rotterdam. Cooperation by Switzerland, France, Germany, and the Netherlands has helped restore the rivers health.

The Ganges: India's Sacred River

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791652

This amazing book reveals the facts about the Ganges, a river sacred to Hindus. Flowing through one of the most densely populated areas in the world, its banks are also the site of shrines, temples, and holy cities, including Varanasi, one of the oldest continuously inhabited cities in the world.

The Mississippi: America's Mighty River

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791669

This wonderful book takes readers along the mighty Mississippi. Often celebrated in music and literature, its exploration by explorers spurred the growth of a new nation. Today, the Mississippi not only provides transportation for agricultural and industrial goods but also supplies water for millions of people.

The Amazon: River in a Rain Forest

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791645

Second in length only to the Nile, the Amazon River carries a greater volume of water than any other river in the world. This attractive book features the fascinating facts about this far-reaching river and the animals, plant life, and indigenous cultures that live in the surrounding rain forest.

Traits and Attributes

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797623

Who are we, really? We share traits with our parents, but our genetic makeup is unique. Each one of us is a one-and-only creation. Through colorful photos, diagrams, and text, you can learn about genetics. See how the simple pea plant taught us the rules of inheritance. Find out how our genetic code is unlocking the mystery of where we came from and our connections with all living things.

DNA

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797593

All life starts with a set of instructions that can turn basic cells into hearts, tails, flower petals, or toenails. DNA is the amazing code of life that is found in every organism. Through colorful photos, diagrams, and text, you can learn how DNA is passed from cell to cell, controlling growth and change in all living things. Find out how we can use the properties of DNA to save endangered animals and even to catch criminals!

Cells

Marina Cohen (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797586

From insects to elephants, every living thing on this planet is made up of cells, the tiny building blocks of plant and animal life. Each cell is alive-and each has work to do! What do cells look like? How do millions and billions of cells work together to form one plant, one animal, or one human being? Guided by colorful photos, diagrams, and text, you can take a closer look at the amazing world of cell science-and see what's next.

Soil Erosion and How to Prevent It

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791232

Soil Erosion and How to Prvent It helps young readers see the real impact of erosion on all life. This intriguing book describes the processes of weathering, erosion, and deposition, the impact of erosion on plants and animals, and kid-friendly steps to preventing erosion.

Micro Life in Soil

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791225

Young readers will be astounded by the tiny organisms that live in soil, their ecological roles, and how they adapt to living there. Children will learn the value of even the smallest bacteria and be amazed by the impact that soil degradation has on an entire ecosystem.

How Is Soil Made?

Heather L. Montgomery (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791218

How Is Soil Made introduces children to the concepts of organic and inorganic parts of soil, the nutrient cycles of plants, and decomposition. Complex processes such as weathering, erosion, and deposition are also made easy to understand.

Different Kinds of Soil

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791201

Children will enjoy finding out about different types of soils from different climates, what animals and plants live in these different soils, and just how valuable soil is to human life.

Ocean, Tidal, and Wave Energy: Power from the Sea

Lynn Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427163813

The natural movement of water has long been used to create energy. New forms of hydropower are being researched as alternative ways to create clean renewable energy. This remarkable new book describes how water flow is being used in tidal and wave energy farms, and how the oceans contain enough heat in the surface water to power the world! Case studies highlight the potential advantages and disadvantages of pursuing these different kinds of power.

Harnessing Power from the Sun

Niki Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427163783

The oldest and most important source of power for our planet is the Sun. This amazing new book explains why solar power is becoming a very real replacement for our current energy sources. Detailed images feature different types of solar collectors, solar thermal plants, and solar cells, and help explain how they are used. Special case studies identify areas where solar power is already in use around the world.