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Provides information about black holes, explaining how stars become black holes, looking at the types of black holds, and discussing what is inside a black hole and how scientists study them.
It's bright and it's hot. It's the center of our solar system. It is our Sun. As readers journey through this book, they will discover how this amazing star came into existence, and they will learn everything about its size and makeup, its solar winds and flares, and how its light and heat affect Earth. The workings of the sun's magnetic field, sun spots, and the latest technology used to study the sun will also captivate our readers.Planets and stars, moons and galaxies! The universe is a vast and mysterious place with much to explore. And there's no better way to make amazing discoveries about space than with this reimagined series. With the latest NASA imagery, the classic structure and features of A True Book, and lively text, the titles in Our Universe bring the awe of the cosmos directly to readers. Students will come away with a wealth of knowledge about the incredible celestial bodies in our universe.This series covers Next Generation Science Standards core ideas including "The Universe and its stars" and "Earth and the solar system."
Whether its a life-threatening disease, a chronic illness that brings difficulties to everyday life, or an easily treatable sickness, everyone is afflicted with a medical condition at some point. Readers will learn about some of the most common health problems affecting people today, from the first symptoms to the final diagnosis. They will find out how these illnesses change peoples lives, what research doctors are doing to improve treatments, and much more.
Describes the causes, methods, people, and effects of the expansion of the original thirteen colonies to the West.
All cities and regions prioritize economic growth for a simple reason: it is essential to wellbeing and progress. But what are the sources of growth? The eminent scholar of innovation Dan Breznitz contends that the answer lies in global supply networks. In Innovation in Real Places, he examines the four stages of production and argues that struggling regions cannot improve their circumstances by imitating tech-centric economies. Rather, they need to developtheir own strengths, and they can do this by focusing on where they best fit in a globalized production system. All cities and localities have certain strengths, and the trick is in recognizing it.
"In which state is Washington, D.C., located? The U.S. capital city is not part of any state. It's a special district run by the U.S. government. Inside [this book] you'll find: how the local government works in Washington, D.C.; a timeline, photos -- and what city life is like in the nation's capital; surprising TRUE facts that will shock and amaze you!"--Back cover.
Discusses the continent of Asia, answers questions including wildlife, people, landscapes, history, and Asia today.
A True Book: Queens and Princess tells the stories of women who were born or married into royalty. Who were these women who ruled nations and kingdoms and touched the lives of their people? Being a queen or princess is more than sitting on a throne. A True Book: Queens and Princess tells the stories of women who were born or married into royalty. Who were these women who ruled nations and kingdoms and touched the lives of their people? They led sensational and sometimes luxurious lives. They also made sacrifices. They impacted war and peace, politics and economics, culture and tradition. These queens and princesses were so much more than their bejeweled crowns!With engaging text, primary sou...
On the island of Arcosi, dragons and their riders used to rule the skies. But now they are only legends, found in bedtime stories, on beautiful murals and ancient jewellery. Then servant girl Milla witnesses a murder and finds herself caring for the last four dragon eggs. Forced to keep them secret amidst the growing tensions in the city, she begins to fear that the island's ruler, Duke Olvar, isn't all that he seems. But how can Milla and her friends keep the eggs safe when it means endangering everything she's ever loved? Fiery friendships, forgotten family and the struggle for power collide as Milla's fight to save the dragons leads her to discover her own hidden past.
Provides information about the ancient Maya, discussing farming, daily life, beliefs, and other related topics.