Engineers design roads to be as safe and efficient as possible for the people who travel on them. From roundabouts and speed bumps to the routes that roads take, readers will learn how engineers follow the engineering design process to design roads that suit different environments and people who will use them. Vibrant photographs, child-centered examples, and a model-building activity allow readers to step into the shoes of engineers.
Long considered by humans as a threat to livestock, wolves are hunted as pests. In particular, the gray wolf has been hunted almost to extinction in parts of North America. But these keystone predators help keep an ecosystem in balance. This book details reintroduction programs that have helped populations recover—yet they still occupy only 10 percent of their historic range.
Humpback whales are a true ecological success story. Readers will be enthralled by the story of these masters of the deep, listed as endangered in 1970. Protected by an international ban on hunting all whales in 1982, the humpback recovered so well it was no longer listed as endangered in most of the world by 2016.
The American alligator, which escaped extinction 65 million years ago, was nearly wiped out in the marshes and swamps of Louisiana and Florida in the last century. Today, they are thriving. This exciting book tells the story of how government protection, habitat preservation, and a campaign to reduce the demand for alligator products helped bring back these fierce-looking predators.
From time of day to reading calendars, time concepts are part of daily life. Children will love this colorful and easy-to-understand introduction to the concepts of time. Amazing full-color images and useful, instructional text guides ensures readers understand the material.
With over 1700 species, more than one-third of all mammals are rodents. From the jumping jerboa to the humungous capybara, What is a Rodent? gnaws through rodent myths to expose the facts about this often misunderstood group. Readers of all ages will be fascinated by the rodent family tree, a rodent's body and amazing teeth, homes underground and in watery habitats, millions of mice and rats, many rodent cousins from squirrels to prairie dogs, their prickly quills, webbed feet, and fabulous fur, and pet care tips.
This engaging title introduces readers to the plant parts that are not often seenroots and bulbs. Readers will discover the functions of these plant parts and how new plants can form from bulbs and roots.
From a stalk of corn to a pine tree, every plant is made of plant cells. What material is in these cells? How do they hold together? How do growers use their knowledge of cell growth to create new plants? What's next in plant science? You can see the hidden secrets of cell life in the fascinating photos, diagrams, and text inside.
Antarctica is one of the most desolate and fascinating continents on Earth! In Explore Antarctica, kids are taken on a journey through this continents chilly geography, exploring its mountains, peninsula, seas, and mile-thick layer of ice. Kids will be thrilled to learn about why Antarctica receives six months each of sunlight and darkness every year, the beautiful animals that live in Antarctica, the ground-breaking Antarctic Treaty, and the amazing findings of researchers studying this little-known continent.
From voyaging farther into the universe than ever before to the possibility of living on Mars, technological innovations are turning former dreams into reality. Space Tech explores these exciting advances through stunning photography, informative and engaging text, and a timeline of the historic achievements that have transformed our understanding of the universe. This imagination-capturing title also examines the surprising ways we already benefit from space technology, including enriched baby food and laser eye surgery.
Tech Industry examines the technological innovations that are transforming not only the way goods are manufactured and distributed, but also how people function in the workplace, from the farmer in the field to the pilot in the sky. Dynamic photographs and informative text sharply illustrate the momentous advancements we are experiencing in industrial technology, such as 3-D printing, product delivery by drone,and computer chips for consumers to track the path of their food from source to plate.
We are witnessing incredible breakthroughs in health science, from electronic eye implants and thought-controlled artificial limbs to nanobots—tiny robots that can deliver medication inside the body. Bionic Bodies introduces young readers to the mind-blowing technological innovations that are —or soon will be—improving and advancing the capabilities of the human body, as well as saving people’s lives. Features include dynamic photographs and a timeline depicting the amazing achievements in the field of bionics.
From drones capturing unique angles of plays for enhanced analysis to swimsuit material helping swimmers go faster, technological innovations are transforming the way sports are played as well as watched. Supercharged Sports examines these exciting advances in technology and also explores what’s coming next in the world of sport science, such as health-monitoring systems sewn into the fabric of uniforms and even more immersive virtual reality experiences.
Tech to Protect explores many of the incredible technological innovations that are occurring in the defense industry, including weaponry and military hardware, as well as surveillance and cybersecurity programs. Robots and drones are replacing humans in combat situations and police officers and soldiers are being equipped with “superhuman” abilities through x-ray vision and exoskeletons. Young readers will also learn about the controversies some of these innovations are creating, including concerns over privacy.
From robots cleaning houses to clothes that can correct posture, technology is constantly introducing ways to improve our lives. Tech Living explores many of these current and soon-to-be appearing innovations through dynamic photographs and engaging text. Young readers are encouraged to consider both the benefits and drawbacks of many of the technological advancements that are changing the ways humans live at an astonishing rate.
Children will enjoy this creative book which uses the principles of Makerspace to introduce them to the wedge. Simple text describes the structure and uses of wedges, and clear, step-by-step instructions show children how to make one. Readers are then provided with stategies to start their own creative projects using the wedge they made. Along the way, tips and helpful hints guide children on how to brainstorm and solve problems working as a team.
Children will enjoy this interesting book which uses the principles of Makerspace to introduce them to the screw. Simple text describes the structure and uses of screws, and clear, step-by-step instructions show children how to make one. Readers are then provided with stategies to start their own creative projects using the screw they made. Along the way, tips and helpful hints guide children on how to brainstorm and solve problems working as a team.
Children will enjoy this fascinating book which uses the principles of Makerspace to introduce them to the wheel and axle. Simple text describes the structure and uses of wheels and axles, and clear, step-by-step instructions show children how to make their own. Readers are then provided with stategies to start their own creative projects using the wheel and axle they made. Along the way, tips and helpful hints guide children on how to brainstorm and solve problems working as a team.
Children will enjoy this fun book which uses the principles of Makerspace to introduce them to the lever. Simple text describes the structure and uses of levers, and clear, step-by-step instructions show children how to make one. Readers are then provided with stategies to start their own creative projects using the lever they made. Along the way, tips and helpful hints guide children on how to brainstorm and solve problems working as a team.
Children will enjoy this fascinating book which uses the principles of Makerspace to introduce them to the pulley. Simple text describes the structure and uses of pulleys, and clear, step-by-step instructions show children how to make one. Readers are then provided with stategies to start their own creative projects using the pulley they made. Along the way, tips and helpful hints guide children on how to brainstorm and solve problems working as a team.
Children will enjoy this entertaining book which uses the principles of Makerspace to introduce them to the inclined plane, or ramp. Simple text describes the structure and uses of inclined planes, and clear, step-by-step instructions show children how to make one. Readers are then provided with stategies to start their own creative projects using the ramp they made. Along the way, tips and helpful hints guide children on how to brainstorm and solve problems working as a team.
From where they sleep to what they eat and how you can make them feel safe and at home, this book gives you all the pet care advice you need to become a cat’s best pal. Learn the inside information on how cats communicate, what games they like to play, and how to understand their behavior, so you can build a bond with your pet that will last a lifetime.
From where they sleep to what they eat and how you can make them feel safe and at home, this book gives you all the pet care advice you need to become a dog’s best pal. Learn the inside information on how dogs communicate, what games they like to play, and how to understand their behavior, so you can build a bond with your pet that will last a lifetime.
Imagine a world where you had to write letters, mail them at the post office, and wait a week or two for a response. You might not realize that there was once a world without your favorite forms of instant communication. The way you keep in touch with the people around you is because of amazing inventions in communication throughout history! From braille to texting, this title explores the amazing inventors, scientists, and engineers who saw challenges in the way we communicate with each other, and overcame them! With a little inventive thinking, what might you create to help us connect freely with friends and family across boundaries?
From where they sleep to what they eat and how you can make them feel safe and at home, this book gives you all the pet care advice you need to become a rabbit’s best pal. Learn the inside information on how rabbits communicate, what games they like to play, and how to understand their behavior, so you can build a bond with your pet that will last a lifetime.
