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Changing Seasons

Bobbie Kalman, Kelley MacAulay (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427166487

Changing Seasons clearly explains the fascinating changes that take place in nature every year. This vibrant book takes an in-depth look at why there are four seasons, the patterns that appear in each season, and how these changes affect both plants and animals.

Earth's Mountains

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9780778790273

Young readers will be fascinated to learn about how mountains are created and change. Through breathtaking photographs, they will wonder at Earths majestic mountains and meet some of the people and animals that live in the often-harsh environment so high above the ground.

Earth's Coasts

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9780778790266

In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.

Earth's Rivers

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9780778790280

Why do people need rivers? What causes rivers to flood? These are just a few of the questions answered by this fascinating introduction to rivers.

What Are Minerals?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197429

Minerals are chemicals that are the building blocks of rocks. Metals, crystals, and gemstones are all minerals found in rocks. This interesting book describes how to identify minerals, where they can be found, the rock cycle process, the uses of minerals, and how they are mined.

Science, Medicine, and Math in the Early Islamic World

Trudee Romanek (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195630

The scientific contributions of the early Islamic empires to science, medicine, and mathematics is considerable. This revealing book explores: their public hospitals, libraries, and universities; their achievements in mathematics and astronomy, and the pursuit of alchemy; Arabic numbers; optics; music and musical instruments; poetry; and education.

What Is the Rock Cycle?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195258

What is the Rock Cycle describes the natural transformation of one type of rock into others. Beginning with igneous rocks made in volcanic eruptions, rock is weathered and eroded gradually to form a sediment. This sediment is then deposited and pressed into layers making sedimentary rocks. These in turn are transformed by heat and pressure into metamorphic rocks. Heat makes these melt into magma which, together with molten rock from the core of the Earth, make new igneous rocks.

What Are Sedimentary Rocks?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195241

It all starts with erosion for sedimentary rock. Worn down bits of rock become pressed together under pressure into strata, or layers. The formation of rock such as sandstone, shale, limestone, and dolomite is explained in this fact-filled book. Readers will also learn that this type of rock is useful in determining the Earths geological history because its layers often hold fossils and other geological clues.

What Are Crystals?

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197405

Crystals are made up of minerals hardened into distinct shapes with regular repeating patterns. This informative book takes a look at the underground process that creates crystals, from sparkling quartz to ordinary salt, as well as where they are found and how they are mined.

How to be a Rock Collector

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197399

Rock collecting is a hobby that is easy to start. This engaging book describes how to dig, where you can and can't dig (restricted in national parks), the necessary equipment, how to identify rocks and gems, and the proper recording and storage of your collection.

What Are Fossils?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427197412

This fascinating book explains how plants and animals become fossils, how they are extracted from excavation sites, and how paleontologists and geologists piece together Earth's history by studying these ancient clues.

What Are Metamorphic Rocks?

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195234

Heat, pressure and stress can also change some igneous or sedimentary rocks into other kinds of rocks. This fact-filled book describes the process that turns limestone into marble, shale into slate, and granite into gneiss. Metamorphic rocks are often used as materials for floors, roofs, and counter tops because of their beauty.

What Are Igneous Rocks?

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195227

Igneous rock has a dramatic beginningit requires red-hot volcanic activity. This fact-filled book explains how granite, lava, basalt, silica, quartz and feldspar are formed after hot, molten rock cools. Readers will also learn about volcanoes and tectonic plates, the minerals that make up igneous rocks, and the crystallization of rock material.

Forest Food Chains

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427198129

This informative book focuses on temperate forest food chains. It looks at the plants, herbivores, carnivores, and omnivores of this habitat and how they get food energy during the various seasons of the year.

Prairie Food Chains

Bobbie Kalman, Kelley MacAulay (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427198167

Children will enjoy exploring the vast prairies of North America in Prairie Food Chains. Young readers will learn about the different types of prairie habitats, how animals get the nutrients they need, and the fascinating adaptation some prairie animals undergo to survive in their habitats.

Tundra Food Chains

Bobbie Kalman, Kelley MacAulay (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427198150

The tundra is one of the most extreme habitats on Earth, and yet hundreds of species of plants and animals thrive there. In Tundra Food Chains, fascinating photographs and clear text teach children about how the plants and animals of the tundra have adapted to survive, and the many ways they manage to find food in this stark habitat.

Australian Outback Food Chains

Hadley Dyer, Bobbie Kalman (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427164131

Children will be fascinated by the variety of plants and animals found in Australian Outback Food Chains. Through spectacular photographs, illustrations, and text, this book examines the Outback habitat and the adaptations that its resident wildlife have made over time to live in this harsh environment. Topics covered in this book include how plants make food dangers to Outback food chains herbivores, carnivores, and omnivores

Wetland Food Chains

Kylie Burns, Bobbie Kalman (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427164193

A wide variety of plants and animals live, visit, and feed in wetlands, but wetlands are fast disappearing. This informative book describes life in a specific wetlandthe marsh. Beautiful photographs, illustrations, and text explain which plants and animals live in this habitat and how they interact with one another. Young readers will learn about wetland herbivores, carnivores, and omnivores how wetland animals survive the changing seasons the importance of wetlands to migrating animals dangers to wetlands

Coral Reef Food Chains

Bobbie Kalman, Kelley MacAulay (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427164148

Coral Reef Food Chains takes readers on an exciting underwater journey to one of the worlds most fascinating habitats. Stunning photographs and detailed illustrations help show the relationships between the plants, herbivores, carnivores, and omnivores that live in and around this unique and fragile habitat.

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.

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.

Mechanical Engineering and Simple Machines

Robert Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191076

This engaging and informative book explores the science of simple machines and how it relates to the exciting field of mechanical engineering. Readers will learn how mechanical engineers design and innovate machines we use every day. Readers then apply the engineering design process to tackle a design challenge of their own.

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.

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.

Civil Engineering and the Science of Structures

Andrew Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191052

Civil engineering is one of the oldest engineering fields. Civil engineers are involved in the design and construction of various structures, including high-rise buildings, sports stadiums, canals, dams, and bridges. This book gives readers a up-close look at the technology used to build various structures around the world, including the ancient pyramids, the Eiffel Tower, the Golden Gate Bridge, and modern skyscrapers. Readers learn about the design process and tools used by civil engineers and are guided through a design challenge to create their own stable structures.