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.
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.
Easy-to-read text and vivid photographs combine to introduce young readers to eco-friendly vehicles. This dynamic new book gives a close-up view of some of the worlds most innovative, eco-friendly rides, including three-wheeled cars, hydrogen fuel-cell busses, segway personal transporters, and electric bikes and scooters.
Young readers will be pumped up to learn about different kinds of fire trucks. Fire Trucks: Racing to the Scene introduces readers to pumper trucks, ladder trucks, and other fire department vehicles. Children will enjoy learning about the different functions of each truck and the equipment on board these emergency vehicles.
In 1974, an inventor named Victor Wouk became a man who could be described as ahead of his time. He had developed a prototype for the hybrid, a car that would become the most credible and commercially successful alternative to gasoline-powered vehicles.
Young readers will dive right into this exciting new title! Deep-diving Submarines introduces readers to the different parts of a submarine and explains how these vehicles move through the water.
Childrens' imaginations will soar as they learn about different kinds of airplanes including jumbo jets, seaplanes, and stunt planes. This dynamic new book also describes the basic parts and functions of various airplanes.
This entertaining book takes the problem out of understanding beginner word problems. Readers will learn how to develop a step-by-step plan or strategy to solve basic word problems. This title uses real-life situations to model the problem-solving process for readers to teach skills such as identifying key information to determine which math operation is required, using drawings and models to see the problem, and carrying out the plan and communicating answers.
John Muir spoke, wrote, and lived the wilderness, including taking President Theodore Roosevelt on an overnight trip to the Yosemite Valley. This trip led to Roosevelts signing into law a bill that placed Yosemite under federal control as a national park. Because of this and his founding of the Sierra Club, John Muir is credited as one of the key shapers of the modern environmental movement.
A popular story tells of President Lincoln predicting his own assassination, but not knowing where or when it would take place. This intriguing new title from Crabtree examines real-life cases where dreams appear to have been predictions of events yet to happen. Scientists and believers in this phenomena explore whether we really can see into the future, or if these happenings are just coincidences.
This book takes students on a journey from the traditional practices of the Far East to modern Western medicine. Looking at the sometimes mysterious treatments and their applications, Mysterious Healing seeks explanations for the amazing healing powers that people claim to have seen and experienced.
Gerbils may be small, but they're very active! In Gerbils readers will discover the many responsibilities and delights of having a pet gerbil. They will learn about the different kinds of gerbils, what gerbils should eat, creating a great cage, grooming for healthy gerbils, proper handling, and caring for multiple gerbils.
Although guinea pigs are roly-poly, they aren't actually pigs! These cute rodents make great pets for children who like to interact with animals. The full-color photographs, clear illustrations, and easy-to-understand text in Guinea Pigs explain all the breeds available, preparing a comfortable home, play-time tips, grooming fur and teeth, the sounds guinea pigs make, and when to visit a veterinarian.
Poodles are a very popular breed of dog. Through the use of detailed illustrations, photographs, and text, this book gives children advice on how to care for these attractive and friendly dogs. Poodles fully explains training and grooming requirements specific to this breed. Children will also learn about the temperament of the breed, how to groom a poodle properly, and how much exercise a poodle needs.
Even a shallow pool can be dangerous if you don't take care! Come inside Safety Around Water and learn how to keep safe and have fun at the lake, swimming pool or pond.
Is there some mysterious force of nature that has a sense of humor, causing seemingly unexplained and bizarre things to happen on Earth? Flying omelets and shoals of fish falling out of the sky may have perfectly sensible explanations, but how do we explain the way that twins separated at birth have time and again followed the same path through life? In this intriguing book, scientists use science and chaos theory to try to explain the Cosmic Joker.
Images in stone like those on Easter Island are part of our historical legacy, but were they inspired by creatures from other planets? This gripping book examines the many myths and legends about the ancient past, searching for and finding facts about fascinating sites that include Stonehenge and the lost cities of Tiahuanaco and El Dorado.
It is fun to watch colorful goldfish swim around a tank, but the care of these little animals can be challenging! Easy-to-understand text and vivid photographs will help children ensure that their pet goldfish have long, healthy lives. Children will learn about the different goldfish breeds, baby goldfish, setting up the fish tank, how to feed a goldfish, and cleaning the fish tank.
An aircraft carrier is an enormous ship that acts as a runway on the water for jet aircraft to take off and land. Children will be amazed by the different kinds of ships designed to carry different kinds of aircraft, the different ways in which aircraft take off and land on carriers, and the carrier's role as a base on the water for aircraft.
This informative and candid book discusses sex and sexuality in an honest and nonjudgmental way. Topics include sexual orientation and gender identity, relationships, virginity, birth control, protection against diseases, and issues unique to boys and girls. This book presents real-life accounts from different perspectives and provides the information kids need to make educated and healthy decisions.