Climate Change is a hot-button topic today and one that requires skill to examine and grasp different viewpoints. This book introduces readers to multiple perspectives on the topic and encourages them to objectively view local, national, and global connections to help them form knowledgeable points of view.
Towers are tall, narrow structures used for many purposes, from measuring and predicting weather to offering a bird's-eye view of surroundings. This interesting book takes children through the engineering design process, giving them an inside look at how engineers design towers to suit specific purposes and hold steady in different environments. Reader-centered examples illustrate concepts for children, and a model-building activity allows them to design their own tower solution.
Animals live in many kinds of habitats, located in different parts of the world. This book compares and contrasts these habitats and encourages students to learn how animals have adapted to where they live. Using cause-and-effect vocabulary, the book also explains why many animals are endangered and the reasons their lives are at risk. Students are asked to map the locations of different animal habitats and to come up with their own suggestions on how people can help threatened animals.
How can modern DNA analysis of ancient tombs help us learn more about life in ancient Greece? Can ground-penetrating radar reveal hidden city structures? What can we learn from 3D recreations of ancient Greek structures, artifacts, and art? This fascinating title will satisfy curious readers as it examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about ancient Greece.
The only remaining wild population of whooping cranes breeds in Canada and winters in the United States. The story of their recovery is a tale of cross-border cooperation and the work of a team of international biologists. Readers will be able to chart their course and determine the elements of this successful recovery plan.
Engineers design structures using domes because of their amazing ability to withstand outside forces such as weather and weight. This unique book shows readers how engineers use the engineering design process to design dome-shaped structures that suit the environments in which they are built. Reader-centered examples illustrate concepts for children, and a model-building activity allows them to design their own dome solutions.
Listed as a threatened species in 1975, the grizzly bears near Yellowstone National Park in Wyoming have made a remarkable recovery. Intriguing text and vibrant images will draw readers into the story of the bear's decline due to human interaction and habitat loss, and the strategies put in place that helped it return.
Houses are structures that allow people to meet their basic need for shelter. From its design to the materials used to build it, engineers design houses to withstand many different weather conditions and suit many different environments. Child-centered language takes readers through the engineering design process to design a house to solve a problem, and an activity allows readers to design a model of their own.
How can modern forensic tools help solve the mystery of ancient Aztec skull masks? What can we learn about Aztec life from the forensic analysis of their art? Can chemical analysis teach us about how Aztecs treated disease—and why millions were killed in an epidemic? This exciting title offers answers to these questions and more as it examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about the Aztecs.
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.
What can modern DNA analysis of skeletons tell us about the lifestyle, diet, and beliefs of the Maya? How can new mapping technology uncover previously hidden Mayan cities and structures? Can we use forensic science to solve the mystery of how the Mayan civilization came to an end? Get lost in this compelling title, which examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about the Maya.
Can modern DNA analysis uncover clues about the ancestry and migration of Romans? What new information can forensic science teach us about the fate of the citizens of Pompeii? How can X-rays help us analyze ancient art to learn about ancient Roman life? Find answers to these questions and more in this captivating title, which examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about ancient Rome.
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.
What can modern forensic tools teach us about existing and newly uncovered artifacts from ancient Chinese dynasties? How can we learn about human migration from the discovery of preserved bodies? Can today’s technology uncover new clues about the Great Wall of China? Dive into this intriguing title, which examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about ancient China.
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.
Electrical engineering employs the largest number of engineers. This field of engineering covers everything related to electrical devices, systems, and the uses of electricity. This innovative book gives readers insight into this exciting profession and includes information on pioneers in the world of electricity, new technologies, and innovations. Budding engineers are introduced to the basic concepts of electronic circuitry and learn to build their own electric circuits.
From creating their own art tools to making a screen print unique to their personal style and vision, this title helps readers express their creativity through the various forms of printmaking. Using clear methods, engaging photographs, and non-toxic materials, readers will learn the techniques of printmaking and be inspired to experiment with their own designs and ideas.
Discover what earthquakes are and how they are caused. Find out how scientists measure earthquakes, and what makes some earthquakes so much more destructive than others. Read about some of the most serious earthquake disasters in history, and how people can be better prepared in the future.
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.
Take to the skies with How to Build Aircraft. Featuring simple step-by-step instructions, handy templates, vibrant photographs, and easily accessible materials, this title shows readers how to build their very own aircraft that can really fly! Projects include a hot-air balloon, roto-copter, a variety of gliders, and many more.
From designing robots to developing new forms of energy, 21st-century careers in engineering are not limited only to construction sites. This title explores the exciting and world-changing possibilities that an education in engineering can lead to.
