Kirjahaku

Robots aren't just made for sci-fi thrillers--they're on the real frontlines. Military and police use robots to perform operations that are impossible or too dangerous for humans to do. Readers will enjoy this in-depth look into the world of military and police robots, from their history to the newest technology available. How can robots help police? How will robots be used in the future? This volume addresses these questions and more through easy to understand text and fascinating facts. Color photographs bring readers behind the caution tape to learn all about military and police robots.

Coming to power between Mongol and Manchu rule, the Ming Dynasty represented the last ethnic Han dynasty to rule China. Following the Mandate of Heaven, the first Ming emperor launched nearly 300 years of cultural and political transformation. This compelling volume traces the ascendancy, demise, and legacy of the Ming Dynasty, chronicling the development of its governmental structure, its expansion of trade and its economy, its extension and enhancement of the Great Wall of China, and many other achievements. Readers will also learn about the effect of the Little Ice Age and its role in the Ming's demise.

When the Founding Fathers forged the government for the newly independent United States of America, they were careful not to give too much power to any one person or group. The separation of power between the three branches of government is one of the hallmarks of American democracy. Your readers will examine the concept of the separation of power and how it applies to the government of the United States. Text is presented in accessible chunks and supported by primary sources, charts, and graphic organizers. Designed for struggling teen readers, this book will help them understand key concepts in the U.S. government and history curriculum.

The entertainment industry has often pioneered developments in technology. Drones, or unmanned aerial vehicles (UAVs), are the latest technology the entertainment industry is tackling. This high-interest title covers the basics of entertainment drones, teaching readers the science, technology, and engineering that goes into producing them. Readers learn how entertainment drones are used, including their role on film sets, at theme parks, sporting events, and circuses. Readers even learn about drone entertainment shows With science and technology content that supports STEM classroom concepts, as well as simple diagrams and detailed photographs, this text is sure to captivate readers' interest.

Police departments around the country are using drones, or unmanned aerial vehicles (UAVs), to assist in law-enforcement. This may include using drones for surveillance purposes, something that's becoming increasingly controversial. Readers get a crash course in police UAVs with this text, which uses age-appropriate language and simple diagrams to explain the science and technology behind drones. STEM classroom concepts are supported by this science- and-technology-focused text, which asks readers to form their own opinions on the use of drones in police departments and beyond.

China is unique among the four great ancient civilizations in that it has changed very little over the millennia. Unlike India, Egypt, and Mesopotamia, China's impassable mountains and vast deserts protected China from invasion. Free from foreign interference, China's great dynasties, like the Qin and the Han, flourished. Many of the things we associate with modern China, like the Great Wall, expensive silks, and beautiful calligraphy, all date to ancient times. Help your struggling readers better understand ancient history with this accessible text. Full-color photographs, maps, and a timeline of important events provide additional context.

All roads lead to Rome. Or they did. What had started as a small town on the Tiber River in central Italy would eventually grow to become a vast empire covering most of the known world, including England, western Europe, northern Africa, and western Asia. Although the Roman Empire fell in the 5th century, many of its accomplishments live on in our modern world. Readers will learn about the advancements Rome made in politics, architecture, law, and the arts. Accessible text is paired with full-color photographs, maps, and biographies of important historical figures.

Located between the Tigris and Euphrates Rivers in modern-day Iraq, the region known as Mesopotamia, Greek for "between two rivers," is often called the "cradle of civilization." The region is known for the rise of the first cities, as well as the invention of writing. Readers will discover that the various empires of the region, like Babylon and Sumer, made many important contributions to law, politics, mathematics, and agriculture. Simple text and full-color photographs will engage struggling and reluctant readers alike. Maps and a timeline of key dates provide additional information.

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

Whether they are testing a new drug, creating new materials, or checking the safety of our food and water, all scientists follow the scientific method. One of the major steps in the scientific method is testing your hypothesis. That's when scientists hit the lab This volume stresses the important of safety in the laboratory, whether it's a school science lab or the most high-tech research facility. It also examines the proper rules and procedures everyone must follow when working with chemicals in the lab. Fact boxes and full-color photographs support the age-appropriate text.

Why do objects fall toward the ground? What makes electric lights go on when we flip a switch? How do magnets work? The answers to these questions and many more become clear when you understand how electromagnetic force and gravitational force operate. This book looks at these forces and presents key concepts in an accessible way. Important theories and applications are presented in simple, age-appropriate language. Full-color photographs and primary sources provide readers with additional information.