Nacimientos bestiales

"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...

Rosa always gets blamed when someone misbehaves. But she's very observant and knows how to find the real culprits. Will you be able to discover who it was? Play case by case and find the culprit by carefully observing the scene. Can't figure it out? Just pull the flap and find the solution!

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

¿Cómo involucras realmente a los estudiantes en el aprendizaje de la historia? Cuando los estudiantes establecen conexiones personales con la asignatura, están mucho más motivados para aprender. Este libro en español proporciona relatos de la historia de primera mano que brindan una visión personal de los eventos históricos. Los estudiantes aprenderán cómo era la vida de las personas que viven en las Colonias del Sur. Con un diseño visualmente atractivo, este libro presenta texto cautivador, datos divertidos, barras laterales y líneas de tiempo que ayudan a los estudiantes a...