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"In the early morning of April 26, 1986, a reactor at the Chernobyl nuclear power plant became unstable, causing a huge explosion. But the disaster was only just beginning. Follow along with the true story of a doomed power plant that is still dangerous today. Then, review what you've learned with a recap timeline and a quick quiz to check how much doomed history you remember"--
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This colorful, dynamic volume explains to upper-elementary-level readers the exciting science behind the sun and all its fantastic phenomena. The narrative covers the sun's role from ancient mythology and astronomy through modern discoveries before going in-depth and inside the sun's layers, breaking down the chemistry and physics behind the sun's composition and atmosphere. Thrilling events such as solar flares, eclipses, and star formation are explained...
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In this visually spectacular tour of the outer reaches of our solar system, readers discover many intriguing facts. For example, the outer planets are separated from the inner planets by the asteroid belt. And, in addition to discovering Jupiter's moons, Galileo, in the early 17th century, observed the phases of Venus and made careful studies of sunspots. Readers also learn why humans could never live on one of the gas planets. The physical and chemical...
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"We will never be able to visit the distant stars that twinkle overhead each night, but scientists are still learning more each day about the furthest reaches of the universe. This informative, colorful book will introduce students to the life and death of stars, the structure of galaxies, dark matter, and other fascinating areas of exploration beyond the solar system"--
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This visually stunning guide gives an up-close look at some of the more elusive objects in space. Definitions of better-known objects, such as comets, as well as lesser-known objects, such as centaurs and trojans, give a basic understanding of space objects and the history of how they were discovered. It also covers the scientists who theorized about their existence and the later scientists who actually discovered them. Readers will also get a look...
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Stargazers have observed Mercury, Venus, and Mars-the other small, rocky planets in our solar system besides Earth-for thousands of years. More recently, we have begun to explore our neighbors in outer space via flyby spacecraft, probes, and rovers. Readers will learn how these expeditions have expanded our knowledge of these planets' atmospheres, surfaces, features, and even potential for life. A must-read for anyone interested in discovering more...
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"As technology rapidly develops across the globe, we need to remember the roots of our energy sources: plants and other biological substances. This timely volume teaches readers about humanitys complex relationship with biofuels, from Model Ts chugging along on ethanol to contemporary feuds over land between biofuel and crop farmers. Readers will love the fact boxes full of fascinating details, while vivid photographs will help them understand the...
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Earth it is the third planet from the sun and the cradle of humanity. It might be a mere speck in the universe, but our remarkable planet is capable of sustaining billions upon billions of life-forms! Readers will explore our extraordinary planet in this incredible guide to all things Earth! Accessible language breaks down complex concepts into manageable chunks of information, and an innovative Q & A structure allows readers to absorb a plethora...
14) Bengal tigers
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"Learn how Bengal tigers live, why they are endangered, and what's being done to help"--
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"Chicago was a rapidly growing city, connecting the country's coasts...until 1871 when it all burned to ash. Follow along with the true story of a doomed flame that changed the course of an emerging city. Then, review what you've learned with a recap timeline and a quick quiz to check how much doomed history you remember"--
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"Being trapped in a cave or collapsed mine is terrifying. It can be cold, wet, and completely dark. Even worse, you don't know if anyone will ever find you. Read the true stories of Jessica McClure, Randal McCloy, the 33 Chilean miners, and others to discover how they survived being trapped far below the earth's surface." -- Page [4] cover.