Anxiety disorders, such as phobias, panic disorder, and obsessive-compulsive disorder are the most common group of mental illnesses in the United States. Recent studies suggest eight percent of U.S. teenagers suffer from an anxiety disorder. This informative title examines different anxiety disorders, including their causes, symptoms, effects, and treatment options. A chapter on caring for others discusses how anxiety and phobias affect young people with siblings and parents who have the disorder.
In this thought-provoking title, readers learn about the commercial journey behind their favorite clothing and how their own buying choices impact the world. Learn all about the supply chain, the conditions workers endure in sweatshops, and who makes money on the final purchase price of a garment.
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.
In this fascinating title, readers find out about the food supply chain, fair trade, and how our eating habits affect our health. With debate boxes and contemporary case studies, readers also discover the environmental impacts their food purchases have on the planet.
On July 23, 1969, Neil Armstrong and Edwin "Buzz" Aldrin stepped from their spacecraft onto the alien soil of the Moon - Earth's sister world. Using archival images and explanatory text, this riveting title guides the reader through NASA’s Apollo space program, including the tragic deaths of an entire flight crew and Apollo's ultimate triumph - the first lunar landing in 1969. Maps of the Moon show where Apollo 11's lunar lander Eagle landed and the route taken by the Soviet robot lander Lunokhod 1 in 1970.
This fascinating book describes what scientists discovered about the Moon from the Apollo missions that came after the successful landing in 1969, until the last mission in 1972. A discussion follows of why flights to the Moon stopped, the creation of space stations, such as Skylab, that followed, and what exciting new plans are now being made to revisit the Moon. Maps of the Moon show where astronauts drove in rovers on the surface and what resources can be found on the Moon, from ice to helium.
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.
In the search for oil and gas, we have drilled deep beneath the ocean’s surface and the ground to tap into the energy wells trapped there. Today, we need more energy than ever before in our history, but the oil and gas fields may soon dry up. One option being considered is fracking. Rock is fractured underground in order to reach deposits. Discover how people use fracking to harness the before-unreachable supplies of gas and oil beneath Earth’s surface, the challenges of this form of mining, and the controversies surrounding it.
In this exciting title, readers will learn about basic robot components and how they are used to build various robots for different purposes. “Makers and Shakers” sidebars introduce the world’s greatest robot designers and explain how they came to create their exciting inventions. Step-by-step Maker projects let readers put their skills to use as they build amazing robotic creations.
For centuries, falling water has been used in parts of the world to create energy to run grinding stones at mills and irrigation systems for crops. This interesting book shows how the use of this “clean” form of energy, called hydroelectricity, is being expanded to help us build a more sustainable future. Discover how other forms of water-based energy, such as energy from ocean waves and tides, are being harnessed and used to help create electricity to power our homes, offices, and factories.
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.
Working in oceans presents unique challenges. Readers will learn how ocean engineers design equipment and processes to help scientists that study ocean systems, such as oceanographers, do research in deep waters, long distances away from land, and in harsh weather conditions. Ocean engineers come up with innovative solutions to these challenges by designing submersible vessels, structures built offshore, monitoring devices, and communication systems. Real-life examples and a design challenge help students understand key concepts related to the engineering process.
Robots are machines that follow a decision-making process when performing tasks. They are playing an increasing role in manufacturing, agriculture, medicine, mining, and aerospace, as well as in our everyday lives. Readers will learn how robotics engineers find new ways for robots to do work that would be dangerous, time-consuming, dull, or impossible for humans to perform. Real-life examples and a design challenge help students understand key concepts related to the engineering design process, and how robotics engineers play a vital role in expanding our knowledge of the universe.
Genetic engineers study genes and DNA to develop ways to recreate and modify them to advance technologies in fields such as medicine and agriculture. Using living organisms and systems to create new products and technologies is called biotechnology. Readers will learn how genetic engineers are working toward curing diseases in humans and making crops less susceptible to disease. Real-life examples and a design challenge help students understand key concepts related to the engineering process, and encourage discussion about the impact of biotechnology on our lives, including its benefits and risks.
As cities and populations grow, we need more and more energy to run and heat our homes and to power transportation. Readers will learn how energy engineers help make sure that our energy demands are met in a number of different ways. They discover new ways to convert natural resources into affordable and environmentally friendly forms of energy; they build and operate power stations for both renewable and non-renewable forms of energy; they manage electrical power networks; they also monitor how generating energy may harm the planet. Real-life examples and a design challenge help students understand key concepts related to the engineering process, and how energy engineers will play a vital role in our future.
This interesting title unfolds the art and science of paper engineering. Readers interested in crafting and designing patterns and structures will be inspired to create "Maker" projects using paper - a medium readily accessible to any classroom or library. Kids will learn about popular trends and possibilities in paper engineering, and how great engineers in many different fields often visualize and create their most amazing projects in paper models first. Readers are encouraged to experiment with their own ideas and create products that are unique to their visions.
The great outdoors is the perfect "Maker" space for exploring possibilities for creativity, problem solving, and innovation. From designing devices to study the natural world to figuring out ways to find food or water outside, this refreshing title inspires readers to come up with Maker projects of their own in their back yards or communities. "Makers and Shakers" sidebars introduce important innovators and their creations to inspire readers to be environmentally aware and involved in the natural world.
This plugged-in title helps readers navigate the sometimes-complex world of electronic innovation. Young readers can explore this exciting and popular field by learning the basics of electronic circuits and how electronic components work, which they can then apply to an idea of their own. They will be able to create their project using everyday materials and easy-to-understand computer elements. Important electronic innovators and their creations are profiled to provide inspiration for young “makers.”
Human activity often leaves a trail of harmful carbon behind that directly impacts our planet. This informative book describes how every individual produces a “carbon footprint” by using energy made by burning fossil fuels and by creating waste from packaging that gets thrown away. Find out how to measure your own carbon footprint and see what effect you are having on Earth. Learn about new developments being made to reduce the amount of carbon we create and what steps you can take to make your own "footprint" smaller.
This inspiring book describes how people are becoming more aware of the effect of their daily activities on the planet. Find out how more and more people are eating and living "green" by buying food grown locally, eating food that is organic, and even growing their own food. Many people are also building eco-friendly homes and choosing to live “off the grid,” which means they are creating their own, sustainable forms of energy instead of getting electricity from a power station. Discover how eating and living green is becoming more and more possible, and why this way of living could help build a sustainable future for the next generation.
As we reflect in 2016 on the 30th anniversary of the Shuttle Challenger tragedy, it is fitting that we remind ourselves why all of these brave and daring pioneers go into space. From the first unmanned spacecraft to the planned mission to Mars in 2030, this awesome book celebrates the milestone achievements of space travel, the agonizing - but no less important - failures, and the pioneers who made it happen - sometimes giving their lives to do it.
When tanks roared onto the battlefield for the first time in World War I, these mechanical beasts changed how battles were fought and how wars were won. Tanks at War looks at the history of tanks, the always-changing technology of weaponry and armor, and how tactics for the use of tanks in battle have changed from a hundred years ago to modern conflicts today. Read about new technologies in the works for the future including robotic tanks and invisibility cloaking devices.
From trees and plants to bugs and birds, every living thing on Earth is a form of energy. And all living organisms create energy, too, in the form of their waste. The energy of living things is called biomass, and it can be used to power the things that we need in our everyday lives, from washing machines, cars, and computers to the heating and lighting used in our buildings. Find out more about biomass, how it is sourced and used, and why this form of energy could help us find a more sustainable way to power our lives in the future.
How are many people in different places around the world learning to live in a green and sustainable way? Find out how human activities such as driving cars and wasting energy are threatening our environment and putting the future of our planet at risk. Discover how people everywhere are choosing to live more sustainably by recycling, using green sources of energy, car-sharing, and reducing air travel.
We live in an energy-rich age, in which we can turn on a light with the flick of a switch or drive anywhere by turning a key. But, our vehicles, factories, and power stations, which create the electricity needed to light and heat our buildings, pump carbon dioxide into Earth’s atmosphere. Carbon dioxide overload from these human activities is making our planet hotter and hotter - and is causing the Earth's climate to change. Find out what scientists are doing to find sustainable new forms of energy that will secure our planet’s future.
