Introduces students to the process of being elected and how elections are run, examining such topics as the challenges of running for office, what it means to be elected and the responsibilities of el
Examines the executive branch of the United States government, outlining who leads the branch, who are its members, what it does and the important role it plays in our system of democracy. Simultaneou
Did you know that the same wind that messes up your hair can be used to create energy? How exactly do you harness the wind? And what is the effect on the environment? Read this book to find out all ab
Did you know that the sunlight that warms your skin on a sunny day can be used to produce energy? But how exactly do you collect sunlight and turn it into energy we can use? And what is the effect on
Presents information about the digestive system, looking at the tongue, esophagus, stomach, and intestines that compose it, as well as how they work together to keep the body healthy.
Electricity powers lights, computers, and television sets. But have you seen how electricity can make objects stick together? Or make other objects pull apart? Now you can! Explore electricity with th
What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work! Wheels and axles are simple machines. They help us to do jobs more easily. But don't tak
The sun, lightbulbs, and flickering fires all bring light to our world. But have you ever watched light rays moving? Or seen how light rays reflect off objects? Now you can! Explore light with the fun
Solids, liquids, and gases are the three states of matter. But have you ever made matter change from one state to another? Or seen how even invisible matter takes up space? Now you can! Explore matter
You know that magnets hold pictures on a refrigerator. But have you ever found a magnet's north pole? Or turned an ordinary paper clip into a magnet? Now you can! Explore magnetism with the fun experi
Could there be other planets in the universe similar to those in our solar system? Yes! Scientists have discovered worlds circling distant stars. They call these objects exoplanets. In this book, you'
Did you know people can turn the energy in rushing water into electricity? This hydropower can run the computer and the lights in your home. How exactly do we get it, though? And what is the impact on
Did you know that tiny atoms that make up all matter hold huge amounts of energy? This energy, called nuclear energy, can power the television and refrigerator in your home. How is nuclear energy prod
Did you know that most of the energy we use comes from coal, oil, and natural gas? How do workers collect these fossil fuels? And what effects do these fuels have on the environment? Read this book to
Did you know people can dig underground and use Earth's heat to make energy? This geothermal energy can power the computer and heat or cool your home. How exactly do we get it, though? And what is the
What’s longer than a football field, weighs more than 450 cars, yet flies miles above Earth's surface? It’s the International Space Station. In this book, you'll learn how the station was built and ho
Rapidly increasing sea levels are endangering coastal wildlife and contributing to major floods worldwide. In the future, some coastal cities may even be underwater. But what is behind this dramatic s
