People are more instantly connected than ever through such modern technologies as smart phones, email, social networking sites, and the Interne. This insightful book examines the dangers to young people navigating the digital world. Topics include sexting, cyber bullying, the danger of online predators, and other threats in an electronic environment. Real-life stories warn about the consequences and dangers of sharing personal information and images through electronic devices. For victims of digital crimes, the importance of preserving evidence is explored as well as what their legal rights and responsibilities include. Tips for protecting your privacy and using responsible practices for creating a positive digital footprint are also included.
Did you know about one third of high school students take steroids to improve their looks, not just their athletic skills? Steroid use is becoming a major issue among 12- to 18-year-olds today. This helpful and informative book looks at the pressures young people are under to look cut and perform well in sports. Special chapters examine the effects of anabolic steroids on the developing bodies and minds of young people and how difficult it can be to quit when you've got the edge.
Crystal meth is more addictive than heroin or cocaine and is widely available on the streets of North America. This helpful book looks at the use and abuse of meth, an inexpensive and accessible drug that takes an unbelievable toll on the bodies and brains of users. Special chapters on seeking help, and treatment and recovery provide accurate and useful information on meth addiction and treatment.
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.
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 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.”
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.
Earth has a limited supply of fossil fuels, and in the near future this supply will come to an end. However, more people live on the planet than ever in its history - and they all need energy. One of the ways in which we can meet this increasing demand for energy is through nuclear power. Nuclear power stations do not drain our planet of its resources, and they can supply a seemingly limitless source of energy. Discover more about nuclear energy, how it is created and harnessed, and the controversies and challenges that surround it.
The endless and enormous power of the sun provides life to all organisms on Earth, from the smallest plant to the largest animal. This awesome power is being used today to provide a rich and abundant source of energy in many parts of the world, and to operate machinery and heat and light buildings. Discover how the sun is powering our planet, the technology used to harness it, and what the future of solar power could be.
Our planet’s weather offers some incredible solutions to our growing energy needs, and one of those solutions is wind power. Offshore and onshore wind farms are an increasingly familiar sight in many countries around the world. Wind farms tap into this clean, sustainable, and renewable form of energy. Find out how wind power works, where in the world it is being used, and how this green energy supply could be one answer to the energy problems that face us today.
Beneath Earth’s surface is a boundless source of energy - geothermal energy. Heated by our planet’s red-hot core, hot water and hot rock below the ground on which we walk already provides energy in many parts of the world, from Alaska to Hawaii. Discover the different forms of geothermal energy, how people are harnessing and using this rich supply, and how it could be an important part of our energy future.
Agricultural engineers are in the front line in the challenge to provide a secure food supply for our world. This timely book explores how engineers design methods, as well as machinery for growing and harvesting crops, to make farming more efficient. Real-life examples help students understand key concepts related to this important profession. With an overview of the engineering design process, readers are encouraged to apply the same steps into their own agricultural engineering challenge.