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Science Reference Center
Full-text articles to support research in applied sciences, biology, chemistry, earth and space science, and energy. Includes the Science Image Collection, a database of high-quality science images from National Geographic, UPI, Getty, NASA, and Nature Picture Library.
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"A dragonfly zooming by can be hard to see! That's why this text is perfect for young readers who would like to take a closer look at these extraordinary insects. Macro images show dragonflies in their natural environments and in action, and at-level text allows readers to connect key concepts. For example, you might be surprised to learn that a dragonfly has two separate sets of wings! Readers will learn all about a dragonfly's life cycle and habitat...
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Aircraft carriers are some of the biggest ships ever built. They can be as long as a skyscraper is tall. They need to be big to carry many airplanes and other machines. Aircraft carriers transport planes and soldiers all over the world. Readers will explore an aircraft carrier and its different parts, from the flight deck down to the engines on the lowest deck. Full-color photographs and engaging text bring these cities at sea into thrilling focus....
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"The ostrich is the largest bird on Earth. These flightless birds have short wings, but they can run extremely fast-up to 43 miles (69.2 km) per hour! Their strong legs are powerful enough to kill large predators. In this informative book, readers will learn all about these grassland-dwelling birds. Where do they live? What do they eat? How big are their eggs? This book answers all these questions. Age-appropriate text and attention-grabbing photographs...
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"Meerkats are a common sight in the grasslands of Africa. These members of the mongoose family work together to stay safe from predators such as hawks and eagles. Their lookouts keep watch while the others forage for food. Meerkats have a complex system of interconnected burrows, which keeps them cool during hot African days. Readers will learn what meerkats look like, what they eat, how they live, and what predators hunt them. Get ready to be amazed...
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"Chickens and many other animals begin their lives inside an egg. How eggs hatch is an intriguing and complex process, and it can seem like a mystery. In this engaging book, young readers learn the science behind egg development, the parts of a chicken egg, and how chicks break out of their shells. Full-color photographs and age-appropriate language allow readers to better understand one of life's ... intricate processes"--
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"Two species of rhinoceroses live in Africa: the white rhinoceros and the black rhinoceros. However, both are actually gray! They can run very fast and are some of the largest land mammals in the world. In this book, readers will learn about where these huge, horned creatures live, what they look like, what they eat, and how they behave. Let's go on a safari and view African rhinos in the wild!"--
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"Though they may be little, Arctic foxes are built to survive! Special adaptations have allowed Arctic foxes to thrive in the bleak tundra ecosystem. They can withstand temperatures as low as -58 Fahrenheit. Their fluffy white coats are more than ornamental--they're designed to act as camouflage in the winter snow. In this informative text, readers will learn all about Arctic foxes. Combining cute, high-interest subject matter with age-appropriate...
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"The giraffe is the tallest mammal on Earth. A giraffe can grow up to 19 feet (5.8 m) tall! Giraffes, with their unique markings and long necks, are some of Africa's most easily recognized animals. In this exciting book, readers learn about what makes males and females different, how these tall animals drink and eat, how giraffes behave, and more. The accessible text is perfect for young readers"--
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"Modern society runs on fuel-and drilling rigs are needed to dig massive holes for fuels such as oil and natural gas. Some drilling rigs float on water. Others are fixed in place. Some can even drill from a boat. Through informative text and full-color photographs, readers will learn the ins and outs of what makes a drilling rig work. They will learn about the individual parts of a drilling rig and where waste from drilling goes. But, most importantly,...
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"Looking at the small, fluffy Arctic hare, you might be inclined to think it's a delicate creature. In truth, this tough little animal is able to endure the severe conditions of life on the tundra. In this educational book, readers will learn about how Arctic hares have adapted to suit their environment. Able to run at speeds up to 40 miles an hour and dig through the snow to find the woody plants they need to survive, Arctic hares are more resilient...
11) How eggs hatch
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"Chickens and many other animals begin their lives inside an egg. How eggs hatch is an intriguing and complex process, and it can seem like a mystery. In this engaging book, young readers learn the science behind egg development, the parts of a chicken egg, and how chicks break out of their shells. Full-color photographs and age-appropriate language allow readers to better understand one of life's most intricate processes"--
12) Huge earthmovers
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"Earthmovers are huge! They were created to dig deep holes and to prepare land for new buildings and roadways. Construction companies often use them. With their large machinery and loud growls, earthmovers are hard to miss! There are different kinds of earthmovers-each built for a specific task-but they are all created to get big jobs done fast. Informative text and full-color photographs are sure to delight budding engineers and machinery-lovers...
13) Hungry hyenas
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"Hyenas are known for being scavengers. However, they also live and hunt in groups called clans and kill their own prey. In this informative book, readers will learn why hyenas "laugh" and how they hunt. They'll also learn more about the threats to these amazing creatures. Color photographs help readers make sense of the information presented in the text. Get ready to laugh and hunt along with the hungry hyenas of the African grasslands!"--
14) Mighty musk oxen
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"With their long, shaggy hair and massive 800-pound bodies, musk oxen are built to withstand the cold, harsh conditions of the tundra. Musk oxen are herbivores, able to nourish themselves on the scarce vegetation that grows in this barren landscape. In this book, readers will learn about the musk oxen's adaptations to survive in the Arctic, its behavior, life cycle, and more. Eye-catching photographs bring the information to life and helpful features...
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Español
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"In some parts of the world, Earth's four seasons are very different--but some places don't experience much of a change in seasons at all. This book explains the science behind the changing of the seasons. The features of each season are explained in the context of the Earth's position relative to the sun. Age-appropriate text, full-color photographs, and infographics demystify this complex topic. Readers will learn more about our yearly journey around...
16) Powerful lions
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"Lions are powerful grassland hunters. They're the only cats that live in groups, which are called prides. In fact, the males ward off intruders, but the females do most of the hunting. In this informative book, readers will learn about key differences in how male and female lions live and behave, pride structure, what lions eat, and other lion traits and behaviors. Eye-catching photographs grab attention while age-appropriate language appeals to...
17) Roaming caribou
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"Caribou, or reindeer, are hoofed herbivores that live in the tundra habitat. Standing 5 feet at the shoulder and weighing up to 700 pounds, these large animals have specially adapted to their harsh living conditions. In this educational book, readers will discover how caribou have evolved to survive in the tundra. They'll learn about how caribou stay warm, what they eat, and why they migrate. Vibrant photographs bring the information to life, adding...
18) Speedy cheetahs
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"The cheetah is the world's fastest land mammal. They can accelerate faster than most cars! These spotted animals are some of the most easily recognized animals. Cheetahs are built for the chase. In this book, readers learn about what makes the cheetah such a fierce predator, what cheetahs eat, how many cubs they have, how long they live, and more. Get ready to hunt beside the speedy cheetah!"--
19) Towering cranes
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"Do you ever wonder how large buildings are built? With the help of cranes! Cranes are machines used to lift heavy things, and they're often found at construction sites. The tallest cranes can lift loads 47 stories up! Readers of this informative book will learn about the parts of cranes and how they work together to get things off the ground. Full-color photographs show cranes at their best-lifting the heaviest loads sky high!"--
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"Wildebeests aren't nearly as threatening as their name might make them seem. In fact, far more threatening animals-such as lions and cheetahs-prey on the wildebeest. These herd animals embark on lengthy migrations to find food and water. In this book, readers learn about different kinds of wildebeests, as well as what these amazing creatures look like, what they eat, and more. Let's wander with Africa's wildebeests!"--
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