The topic of time travel provides tantalizing conundrums to consider for STEM experts and sci-fi creators alike. Most scientists and mathematicians agree that time travel by humans is probably impossible, yet they have not been able to offer conclusive proof. This book describes how the very nature of time remains a fascinating and complex subject, whether viewed from the perspective of Einstein's relativity or the nanoscale realm of quantum physics. Readers will recognize notable fictional works in literature, film, and television in which time travel serves as a useful plot device as well as a means of examining human history and contemporary social issues.

Have you ever wanted to visit outer space? Companies such as SpaceX are working to make this dream a reality. With this book, students learn about the past, present, and future of technological innovation. Fun, engaging text introduces readers to new ideas and builds on technology concepts they may already know. Additional tools, including a glossary and an index, help students learn new vocabulary and locate information.

If you were going to climb and explore in a mountainous environment, what would you need to know? What would you pack? And who would be helpful to take along? This book gives you the knowledge you need to plan your trip!

Readers get acquainted with the people behind today's most cutting-edge technologies in the personal space travel field--from bright ideas to cool new products--and inspires readers to consider a high-tech future career. Careers in Personal Space Travel introduces six exciting careers and features sidebar activities that invite readers to Imagine That! and Dig Deeper! Includes table of contents, glossary, index, and supplementary backmatter.

Time Travel: Is Visiting the Past and Future Possible? Readers will examine the history of time travel, Project Pegasus, famous time travel literature, time slippage, the theory of relativity and more before deciding for themselves! Table of contents, fun facts, a glossary, and an index are included. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.

LIMITED STOCK AVAILABLE - Hurry While Supplies Last - - Join Tom on an incredible treasure hunt through time and battle history’s mightiest warriors. The seventh book in an action-packed, time-travelling series – perfect for fans of Beast Quest. Join Tom and Aztec girl, Zuma, as they travel through time, battling the mightiest warriors of the past!

LIMITED STOCK AVAILABLE - Hurry While Supplies Last - - Join Tom on an incredible treasure hunt through time and battle history’s mightiest warriors. The eighth book in an action-packed, time-travelling series – perfect for fans of Beast Quest. Join Tom and Aztec girl, Zuma, as they travel through time, battling the mightiest warriors of the past!

LIMITED STOCK AVAILABLE - Hurry While Supplies Last - - Frankie and his soccer team travel to fantastic lands to play some of the wildest soccer matches ever! Frankie and his friends travel back in time to face off against a group of rowdy Roman soccer players. Can they defeat this team and return home safely?

There are so many ways to travel, and now on-the-go readers can review the vocabulary of vehicles in this appealing and vibrant volume. Trains, airplanes, and even scooters are some of the fun modes of transportation featured. At-level text is paired with colorful photographs, and both aid readers in deciding which way they would choose to travel to go someplace fun!