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...

One of the main advantages of drones is that they can be used in situations that are too dangerous for humans. Space is probably the most dangerous environment where men and women work, so it's only natural to use drones for space exploration. This far-out volume looks at the different kinds of drones used to explore other planets over the years, as well as new technology being developed for the future. This high-interest STEM topic is presented with...

Earth's temperatures are on the rise. What's the cause of global warming, and what are the threats it poses? Explore the impact of global warming to life on Earth with easy-to-understand content tied to the curriculum of upper-elementary and middle school students and text written at a 2nd to 3rd grade reading level. Dyslexia-friendly font and design make learning accessible, and a recap at the end promotes checking for understanding to aid comprehension....

Article I of the U.S. Constitution established the U.S. Congress. As the legislative branch of the government, both houses of Congress play an important role in the country. Your readers will explore both chambers of the nation's lawmaking body, with a focus on the various duties of the Senate and the House of Representatives. Essential concepts in the U.S. government and history curriculum are presented in easy-to-digest sections, with a focus on...

People have used caves for shelter, tombs, and religious sites for thousands of years. Despite this familiarity, caves still hold a sense of mystery and danger. This survey dives deep beneath Earth's surface to explore how the world's largest caves formed, as well as what caves can teach us about Earth's past and the forces that are shaping our planet's future. Age-appropriate text with a strong STEM focus is supported by full-color photographs and...

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...

Drones have been in the news a lot over the last few years. From the flying unmanned aircraft used by the military to the quadcopters sold at toy stores and hobby shops, it's difficult to deny that drones are everywhere. This volume examines the science behind modern drone technology and helps young readers understand these complex machines. Full-color photographs and diagrams provide context to STEM concepts. Fact boxes provide additional support...

With our use of technology increasing every day, it's not surprising that our need for cybersecurity experts is also growing. In this informative text, readers will learn about why we need cybersecurity and what these security experts do to keep sensitive digital information safe. Students are introduced to the concept of computational thinking, as well as STEM concepts addressed in the Next Generation Science Standards. Informational diagrams and...

Almost as soon as the dust settled on World War II, the Cold War scorched with a different kind of intensity. But what were the United States and Soviet Union facing off about? And if they didn't use traditional weapons of war, what did they bring to the battle? Explore the ideological fight that could have destroyed the world with easy-to-understand content tied to the curriculum of upper-elementary and middle school students and text written at...

Did people in the Middle Ages really believe the Earth was flat? Was Columbus the first European to reach the New World? Were European explorers really treated like gods by the indigenous peoples they encountered? You probably think you know the answers to these questions, but sometimes textbooks don't tell the whole truth. This book takes a deep dive into the Age of Exploration, separating myth from reality. Grade-appropriate text is supported by...