A la vanguardia: Adelantos en tecnología (The Cutting Edge: Breakthroughs in Technology) 6-Pack

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.

Updated for 2020, the months of the year are taught through engaging text and photos that symbolize each month.

¿Qué cosas suceden en esta biblioteca maravillosa? ¡Un zorro se olvida de cazar ratones! ¡Un ratón aprende a hacer trucos de magia! ¡Una gallina le lee cuentos a un zorro! Un libro conmovedor para darnos nuevas ideas. . . What goes on in this marvelous library? A fox forgets to hunt rats! A rat learns to do magic tricks! A hen reads stories to a fox! This is a moving book that offers plenty of new ideas.