Intermediate

Did you know that Neptune is the windiest planet in the solar system? Discover more about Neptune in this exciting look at the farthest planet from the sun. Access a downloadable 3D printer… Read More →

Humans have imagined creating robots for thousands of years. Robotics is the science of creating machines and devices that automatically perform tasks. From ancient robots to artificial… Read More →

Blast off in this exciting exploration of these essential space machines! When were rockets invented? How fast do they go? Learn about the history and uses of rockets, plus explore how… Read More →

Rovers traverse parts of space that people can't easily get to. While they explore they use special tools, take samples, and search for signs of life. Readers will love learning about these… Read More →

How can you watch your favorite TV shows almost anywhere? How do scientists learn what's happening in far-off galaxies? Readers discover how satellites make our lives easier and keep people… Read More →

Learn about Saturn's vast and beautiful network of rings, and see how it is similar to or different from other planets. Access a downloadable 3D printer model from NASA via Page Plus QR codes. Read More →

How do we know if there is water on Mars? How do we know what planets look like? We send probes to look around! Readers learn how scientists use space probes to study planets in our solar… Read More →

Astronauts live and study on space stations as they orbit Earth. What are space stations? How do they help scientists learn about Earth and space? Learn about early space stations, how the… Read More →

How far can telescopes see? How do scientists get huge telescopes into space? Find out how big space telescopes help us learn more about our universe, plus discover how scientists will use… Read More →

The Aztecs built an empire on two swampy islands in Lake Texcoco. They thrived until Spanish explorers came and took control. From farming to warfare, learn about the daily life of the… Read More →

The Inca Empire stretched far and wide across mountains and valleys during the fifteenth and sixteenth centuries. The Inca people had no written language, but they had many resources such as… Read More →

The Maya civilization flourished for thousands of years in Mesoamerica. Learn about the lives of the people who lived there—including what they ate, the clothes they wore, and the gods they… Read More →

Vikings were raiders who stole land and riches, but they were also farmers and explorers. Uncover experts' theories about why Vikings started raiding, where they were from, where they… Read More →

This cold, giant plant may be far away, but scientists know lots about it and are striving to discover even more. Learn all about Uranus and what makes it such a cool planet. Access a… Read More →

See how Venus compares to all the neighboring planets. Cool facts and scientific information will help young readers explore the hottest planet in our solar system. Access a downloadable 3D… Read More →

With a click of a mouse, a tap on the screen, or a stop at the theater, millions of people around the world are able to watch anime shows and films. But how did anime get to be so popular?… Read More →

What space objects can have millions of times more mass than our Sun, but they remain invisible? Black holes! Their gravity is so strong that not even light can escape. In this book, you'll… Read More →

It’s never too early to start thinking about the future, and for many workers of tomorrow, the future is in the building trades. Career opportunities in the construction trades are on the… Read More →

This timely introduction to checks and balances explores how the three branches of government work together. Historical context and examples illustrate the vision of our founding fathers for… Read More →

Have objects from space ever hit Earth? Yes! Every day small meteoroids crash into the atmosphere. Some burn up, but some hit the ground. Space junk also falls to Earth. Comets and asteroids… Read More →

Huddled in tense silence, a team of scientists watches a bank of flickering screens. Years of design and engineering work, tests, failures, redesigns, and successes are bound up in this… Read More →

Engineers solve problems, design structures, and create systems in a dynamic range of areas, from city planning to robotics to health care to renewable energy. As the world’s needs become… Read More →